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A081050 Generalized Stirling numbers of the first kind. 1
1, 0, 5, 5, 74, 154, 2484, 8028, 149904, 663696, 14257440, 80627040, 1965444480, 13575738240, 370643938560, 3031488633600, 91657072281600, 867718162483200, 28779361764249600, 309920046408806400, 11185850044938240000 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

a(n) = s(n, 1) - (-1)^(n+1)*s(n, 2), s(n, m) = signed Stirling numbers of first kind a(n) = abs(n!*(1 + Sum {k=1..n, (-1)^n*1/k} ))

CROSSREFS

Cf. A081049, A008275.

Sequence in context: A171726 A129358 A151492 * A081049 A048607 A094463

Adjacent sequences:  A081047 A081048 A081049 * A081051 A081052 A081053

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Mar 05 2003

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.