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A212333 n-th power of the n-th pentagonal number. 4
1, 1, 25, 1728, 234256, 52521875, 17596287801, 8235430000000, 5132188731375616, 4108400332687853397, 4108469075197275390625, 5019255990031848807858176, 7355827511386641000000000000, 12736801848653359358345383963927, 25724477018923486959881583081626689 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Bruno Berselli, Table of n, a(n) for n = 0..100

FORMULA

a(n) = A000326(n)^n.

MATHEMATICA

Join[{1}, Table[(n ((3 n - 1)/2))^n, {n, 14}]]

PROG

(MAGMA) [(n*(3*n-1)/2)^n: n in [0..14]];

CROSSREFS

Cf. A000312, A085741, A062206.

Sequence in context: A125826 A263967 A290881 * A187404 A172261 A023113

Adjacent sequences:  A212330 A212331 A212332 * A212334 A212335 A212336

KEYWORD

nonn,easy

AUTHOR

Bruno Berselli, May 09 2012

STATUS

approved

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Last modified February 18 23:26 EST 2018. Contains 299330 sequences. (Running on oeis4.)