id:A091041 - OEIS Search Results

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Alternating row sums of triangle A091039 (scaled second columns of (k,k)-Stirling2 arrays).

+0
2

1, 2, 0, -8, 324, -530, -1112688, 169476046, 144151873344, -449531744387330, -660618519039237888, 83329012852592671058686, -2072231651447029998880551936, -1674940664087026476131857832322050, 1501486075410203396595208137534328983552 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=sum(A091039(n, k)*(-1)^(k+1), k=1..n), n>=1.`
	CROSSREFS	`Sequence in context: A101682 A033836 A009099 this_sequence A140415 A105819 A153616` `Adjacent sequences: A091038 A091039 A091040 this_sequence A091042 A091043 A091044`
	KEYWORD	`sign,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Jan 23 2004`

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

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