id:A056520 - OEIS Search Results

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(n+2)*(2*n^2-n+3)/6

+0
3

1, 2, 6, 15, 31, 56, 92, 141, 205, 286, 386, 507, 651, 820, 1016, 1241, 1497, 1786, 2110, 2471, 2871, 3312, 3796, 4325, 4901, 5526, 6202, 6931, 7715, 8556, 9456, 10417, 11441, 12530, 13686, 14911, 16207, 17576, 19020, 20541, 22141, 23822 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`a(n) = A000330(n)+1.` `Hankel transform of A030238. - Paul Barry (pbarry(AT)wit.ie), Oct 16 2007`
	FORMULA	`a(n)=a(n-1)+n^2.`
	MAPLE	`a:=n->sum ((j-n+1)^2, j=1..n): seq(a(n), n=2..43); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 17 2006`
	CROSSREFS	`Sequence in context: A098651 A087427 A141126 this_sequence A078406 A101352 A095380` `Adjacent sequences: A056517 A056518 A056519 this_sequence A056521 A056522 A056523`
	KEYWORD	`nonn`
	AUTHOR	`njas, Laura Kasavan (maui12129(AT)cswebmail.com), Aug 26 2000`

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

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