Statements (17)
| 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, 1, 4, 38, 728, 26704, 1866256, 251548592, 66296291072, 34496488594848
|
| gptkbp:hasKeyword |
easy
nice nonn |
| https://www.w3.org/2000/01/rdf-schema#label |
A002858
|
| gptkbp:OEIS |
gptkb:A002858
https://oeis.org/A002858 |
| gptkbp:relatedTo |
connected graphs
labeled graphs |
| gptkbp:sequence |
1, 1, 4, 38, 728, 26704, 1866256, 251548592, 66296291072, 34496488594848, 35641657583718400, 73001600495490959360, 299657505708274581540864, 2471648815574859442265972736, 40512373244149616647320240293888, 1326264299060955293181543315071678464, 86573486929480362294720531200000000000000, 11201496587617886031300873196068480000000000000, 2811645554117716130553144468709160953241600000000000, 1419745402429033677260358064302493889354690560000000000
|
| gptkbp:bfsParent |
gptkb:Ulam_numbers
|
| gptkbp:bfsLayer |
5
|