A011935 - OEIS

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A011935

[ n(n-1)(n-2)(n-3)/25 ].

0, 0, 0, 0, 0, 4, 14, 33, 67, 120, 201, 316, 475, 686, 960, 1310, 1747, 2284, 2937, 3720, 4651, 5745, 7022, 8500, 10200, 12144, 14352, 16848, 19656, 22800, 26308, 30206, 34521, 39283, 44520, 50265, 56548 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,6`
	FORMULA	`a(n) = +4a(n-1) -6a(n-2) +4a(n-3) -a(n-4) +a(n-25) -4a(n-26) +6a(n-27) -4a(n-28) +a(n-29). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 15 2010]`
	CROSSREFS	`Sequence in context: A099590 A078432 A124786 * A185441 A032645 A098942` `Adjacent sequences: A011932 A011933 A011934 * A011936 A011937 A011938`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.