pentagonal number (Q674928)
polygonal number
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Current Data About pentagonal number
(P18) Image Provided By https://upload.wikimedia.org/wikipedia/commons/b/b5/Pentagonal_number.gif

(P31) (Q77358734)

(P156) (Q1165838)

(P279) (Q836270)
(P156)
(P155)
(P1545) 5

(P373) Pentagonal numbers

(P2534) P_{5,n}={\frac{3n^2-n}{2}}
(P1013)
(P7235) n\geq {1},n\in \mathbb {N}

(P6104) (Q8487137)

(P7235) n\geq {1},n\in \mathbb {N}
(P9758)

other details
description polygonal number

External Links
(P646) /m/02jf0r
(P829) A000326
(P2812) PentagonalNumber
(P6366) 130153862