Statements (15)
Predicate | Object |
---|---|
gptkbp:instanceOf |
integer sequence
|
gptkbp:author |
gptkb:N._J._A._Sloane
|
gptkbp:citation |
A001187
A001349 |
gptkbp:describes |
Number of labeled connected graphs with n nodes.
|
gptkbp:first_terms |
1
|
gptkbp:hasKeyword |
easy
nice nonn |
https://www.w3.org/2000/01/rdf-schema#label |
A000566
|
gptkbp:OEIS |
gptkb:A000566
https://oeis.org/A000566 |
gptkbp:sequence |
1, 1, 4, 38, 728, 26704, 1866256, 251548592, 66296291072, 34496488594848, 35641657583718400, 73001600495490959360, 29965750570827458125824, 24594026087059882846825472, 40493920609351471163407085568
|
gptkbp:bfsParent |
gptkb:Polygonal_numbers
|
gptkbp:bfsLayer |
7
|