id:A152994 - OEIS Search Results

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9 times hexagonal numbers: 9n(2n-1).

+0
2

0, 9, 54, 135, 252, 405, 594, 819, 1080, 1377, 1710, 2079, 2484, 2925, 3402, 3915, 4464, 5049, 5670, 6327, 7020, 7749, 8514, 9315, 10152, 11025, 11934, 12879, 13860, 14877, 15930, 17019, 18144, 19305, 20502, 21735, 23004, 24309 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = 18n^2 - 9n = A000384(n)9 = A094159(n)3.`
	CROSSREFS	`Cf. A000384, A094159.` `Sequence in context: A144040 A052108 A093846 this_sequence A034719 A013567 A073974` `Adjacent sequences: A152991 A152992 A152993 this_sequence A152995 A152996 A152997`
	KEYWORD	`easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Dec 22 2008`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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