id:A091028 - OEIS Search Results

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Alternating row sums of array A090440 (generalized Stirling2 array (4,3)).

+0
3

1, -1, -299, 40751, 5067841, -7323445921, -999631061099, 8071239253153439, 3226932423143680609, -35637793578511857426241, -56681720635442893862661899, 428341845237867375193339807439, 2249822227541602344980346463546081 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n)=-sum(((-1)^k)A090440(n, k), k=3..3n), n>=1.`
	CROSSREFS	`Cf. A070531 (row sums of A090440).` `Sequence in context: A129037 A064908 A105990 this_sequence A014369 A096511 A116346` `Adjacent sequences: A091025 A091026 A091027 this_sequence A091029 A091030 A091031`
	KEYWORD	`sign,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Dec 23 2003`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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