Current Data About
heptagonal number
| (P31) |
(Q77358734)
|
| (P155) |
(Q1165838)
|
| (P156) |
(Q2634498)
|
| (P279) |
(Q836270)
|
| (P2534) |
{\frac {5n^{2}-3n}{2}}
|
| (P6104) |
(Q8487137)
|