Current Data About
centered pentagonal number
(P31) |
(Q77358734)
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(P279) |
(Q1130510)
(Q190898)
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(P2534) |
\mathrm{P}_n = \frac{5 n^2 - 5 n + 2}{2}, n \ge 1
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(P6104) |
(Q8487137)
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(P7235) |
\mathrm{P}_n
n
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