Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Figurate number
|
| gptkbp:first_terms |
1
19 37 61 7 169 127 91 |
| gptkbp:form |
3n(n-1)+1
|
| https://www.w3.org/2000/01/rdf-schema#label |
Centered hexagonal numbers
|
| gptkbp:n-thTerm |
3n(n-1)+1
|
| gptkbp:OEIS |
gptkb:A003215
|
| gptkbp:property |
Difference between consecutive terms is 6n
Each term is 1 more than a multiple of 6 |
| gptkbp:relatedTo |
gptkb:Centered_polygonal_numbers
gptkb:Hexagonal_numbers |
| gptkbp:sequence |
gptkb:Centered_figurate_number
|
| gptkbp:shape |
Hexagon with a central dot and surrounding layers
|
| gptkbp:visualPattern |
Central dot surrounded by hexagonal layers
|
| gptkbp:bfsParent |
gptkb:OEIS_A005195
|
| gptkbp:bfsLayer |
7
|