Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
integer sequence
|
| gptkbp:author |
gptkb:N._J._A._Sloane
|
| gptkbp:citation |
OEIS A007376
OEIS A007051 |
| gptkbp:describes |
Numbers of the form 3^n - 1.
|
| gptkbp:first_terms |
2
26 8 80 242 728 2186 19682 6560 59048 |
| gptkbp:form |
a(n) = 3^n - 1
|
| gptkbp:hasKeyword |
easy
nice nonn |
| gptkbp:hasOEISId |
gptkb:A001047
|
| https://www.w3.org/2000/01/rdf-schema#label |
OEIS A001047
|
| gptkbp:offset |
1
|
| gptkbp:relatedTo |
OEIS A000225
OEIS A000244 |
| gptkbp:sequence |
Powers of 3 minus 1
|
| gptkbp:sequenceExample |
2, 8, 26, 80, 242, 728, 2186, 6560, 19682, 59048, ...
|
| gptkbp:bfsParent |
gptkb:OEIS_A008836
|
| gptkbp:bfsLayer |
7
|