Statements (12)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:integer_sequence
                                        
                                         | 
                            
| gptkbp:author | 
                                    
                                        
                                            gptkb:N._J._A._Sloane
                                        
                                         | 
                            
| gptkbp:describes | 
                                    
                                        
                                            
                                            Number of self-dual graphs with n nodes.
                                        
                                        
                                         | 
                            
| gptkbp:hasKeyword | 
                                    
                                        
                                            
                                            easy
                                        
                                        
                                         nice nonn  | 
                            
| gptkbp:OEIS | 
                                    
                                        
                                            gptkb:A000372
                                        
                                         https://oeis.org/A000372  | 
                            
| gptkbp:sequence | 
                                    
                                        
                                            
                                            1, 1, 2, 3, 6, 11, 23, 47, 106, 235, 551, 1301, 3159, 7741, 19264, 48629, 124904, 323135, 842401, 2214501, 5855702, 15575711, 41644203, 111964994, 302959404, 823005649, 2244492252, 6148696853, 16986575408, 47007794303, 130107049842, 361197661237, 1002242216659, 2789642763744, 7787894401599, 21783360622019, 61040868002341, 171343638154733, 482320623240771, 1359720669066951, 3842763360004066, 10875591481815301, 30843892181874111, 87666116867504923, 249438901249324482, 710922553856315019, 2031742617861881591, 5813933544419739069, 16674107342970197904, 47898175145940432003
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:OEIS_A000372
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            6
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            A000372
                                        
                                        
                                         |