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A091041 Alternating row sums of triangle A091039 (scaled second columns of (k,k)-Stirling2 arrays). 1
1, 2, 0, -8, 324, -530, -1112688, 169476046, 144151873344, -449531744387330, -660618519039237888, 83329012852592671058686, -2072231651447029998880551936, -1674940664087026476131857832322050, 1501486075410203396595208137534328983552 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

FORMULA

a(n)=sum(A091039(n, k)*(-1)^(k+1), k=1..n), n>=1.

CROSSREFS

Sequence in context: A326240 A009099 A193247 * A140415 A105819 A153616

Adjacent sequences:  A091038 A091039 A091040 * A091042 A091043 A091044

KEYWORD

sign,easy

AUTHOR

Wolfdieter Lang, Jan 23 2004

STATUS

approved

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Last modified July 6 06:40 EDT 2022. Contains 355108 sequences. (Running on oeis4.)