id:A096662 - OEIS Search Results

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Least nontrivial n-tuply triangular number.

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3, 6, 21, 231, 26796, 359026206, 64449908476890321, 2076895351339769460477611370186681, 2156747150208372213435450937462082366919951682912789656986079991221 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`f[n_] := n(n + 1)/2; Table[ Nest[f, 2, n], {n, 10}]`
	CROSSREFS	`Cf. A000217, A002817, A064322, A066370.` `Sequence in context: A019053 A019054 A066986 this_sequence A054297 A079514 A049415` `Adjacent sequences: A096659 A096660 A096661 this_sequence A096663 A096664 A096665`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 02 2004`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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