id:A100255 - OEIS Search Results

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Squares of pentagonal numbers: (1/4) n^2(3n-1)^2.

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0, 1, 25, 144, 484, 1225, 2601, 4900, 8464, 13689, 21025, 30976, 44100, 61009, 82369, 108900, 141376, 180625, 227529, 283024, 348100, 423801, 511225, 611524, 725904, 855625, 1002001, 1166400, 1350244, 1555009, 1782225, 2033476 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`L. Euler, De mirabilibus proprietatibus numerorum pentagonalium, par. 29` `L. Euler, On the remarkable properties of the pentagonal numbers`
	CROSSREFS	`Equals A000326(n)^2. Cf. A100256.` `Sequence in context: A147223 A072471 A017042 this_sequence A052501 A139152 A123014` `Adjacent sequences: A100252 A100253 A100254 this_sequence A100256 A100257 A100258`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Nov 13 2004`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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