id:A126935 - OEIS Search Results

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Define an array by d(m, 0) = 1, d(m, 1) = m; d(m, k) = (m - k + 1) d(m+1, k-1) - (k-1) (m+1) d(m+2, k-2). Sequence gives d(n,3).

+0
2

0, -12, -24, -30, -24, 0, 48, 126, 240, 396, 600, 858, 1176, 1560, 2016, 2550, 3168, 3876, 4680, 5586, 6600, 7728, 8976, 10350, 11856, 13500, 15288, 17226, 19320, 21576, 24000, 26598, 29376, 32340, 35496, 38850, 42408, 46176, 50160, 54366, 58800, 63468, 68376, 73530 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`V. van der Noort and N. J. A. Sloane, Paper in preparation, 2007.`
	FORMULA	`a(n) = n(n+2)(n-5).`
	CROSSREFS	`A row of A105937.` `Sequence in context: A119588 A065303 A108902 this_sequence A074697 A027854 A009096` `Adjacent sequences: A126932 A126933 A126934 this_sequence A126936 A126937 A126938`
	KEYWORD	`sign`
	AUTHOR	`Vincent v.d. Noort, Mar 21 2007`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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