A212333 n-th power of the n-th pentagonal number.
1, 1, 25, 1728, 234256, 52521875, 17596287801, 8235430000000, 5132188731375616, 4108400332687853397, 4108469075197275390625, 5019255990031848807858176, 7355827511386641000000000000, 12736801848653359358345383963927, 25724477018923486959881583081626689
Offset: 0
Links
- Bruno Berselli, Table of n, a(n) for n = 0..100
Programs
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Magma
[(n*(3*n-1)/2)^n: n in [0..14]];
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Mathematica
Join[{1}, Table[(n ((3 n - 1)/2))^n, {n, 14}]]
Formula
a(n) = A000326(n)^n.