Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Figurate number
|
| gptkbp:differenceBetweenTerms |
4n
|
| gptkbp:first_terms |
1
120 15 28 45 6 66 91 |
| gptkbp:form |
n(2n-1)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hexagonal numbers
|
| gptkbp:OEIS |
A000384
|
| gptkbp:property |
The nth hexagonal number is the (2n-1)th triangular number
Every hexagonal number is a triangular number The difference between consecutive hexagonal numbers increases by 4 each time The sum of the reciprocals of the hexagonal numbers converges The only number that is both square and hexagonal is 1 |
| gptkbp:relatedTo |
gptkb:Triangular_numbers
|
| gptkbp:sequence |
Integer sequence
|
| gptkbp:shape |
gptkb:Hexagon
|
| gptkbp:bfsParent |
gptkb:Polygonal_numbers
|
| gptkbp:bfsLayer |
7
|