id:A024702 - OEIS Search Results

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a(n) = (-1 + p^2)/24, where p = prime(n+2).

+0
17

1, 2, 5, 7, 12, 15, 22, 35, 40, 57, 70, 77, 92, 117, 145, 155, 187, 210, 222, 260, 287, 330, 392, 425, 442, 477, 495, 532, 672, 715, 782, 805, 925, 950, 1027, 1107, 1162, 1247, 1335, 1365, 1520, 1552, 1617, 1650, 1855, 2072, 2147, 2185, 2262, 2380, 2420, 2625, 2752, 2882, 3015 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Subsequence of generalized pentagonal numbers A001318.` `Cf. A075888 [From Alexander R. Povolotsky (pevnev(AT)juno.com), Sep 20 2008]` `Sequence in context: A088822 A080182 A001318 this_sequence A161664 A080547 A080555` `Adjacent sequences: A024699 A024700 A024701 this_sequence A024703 A024704 A024705`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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