centered heptagonal number (Q940343)
subclass of centered polygonal number
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Current Data About centered heptagonal number
(P31) (Q77358734)

(P279) (Q190898)
(P1545) 7
(P155)
(P156)

(P2534) {\displaystyle C_{7,n}={\frac {7}{2}}n(n-1)+1={{7n^{2}-7n+2} \over 2}}
(P1013)
(P7235) n\geq {1},n\in \mathbb {N}

(P6104) (Q8487137)

other details
description subclass of centered polygonal number

External Links
(P646) /m/04j1cj
(P829) A069099