id:A153792 - OEIS Search Results

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12 times pentagonal numbers: 6n(3n-1).

+0
2

0, 12, 60, 144, 264, 420, 612, 840, 1104, 1404, 1740, 2112, 2520, 2964, 3444, 3960, 4512, 5100, 5724, 6384, 7080, 7812, 8580, 9384, 10224, 11100, 12012, 12960, 13944, 14964, 16020, 17112, 18240, 19404, 20604, 21840, 23112, 24420 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = 18n^2 - 6n = A000326(n)12 = A049450(n)6 = A062741(n)4 = A033579(n)3 = A152743(n)*2.`
	CROSSREFS	`Cf. A000326, A049450, A062741, A033579, A152743, A153449, A153793.` `Adjacent sequences: A153789 A153790 A153791 this_sequence A153793 A153794 A153795` `Sequence in context: A099829 A099830 A158443 this_sequence A000141 A008530 A033486`
	KEYWORD	`easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Jan 01 2009`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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