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A134140 Alternating row sums of triangle A049374 (S1p(6)). 1
1, 5, 25, 95, -275, -14755, -278795, -4134145, -49014215, -304537195, 7111142545, 397535340575, 12667519999525, 327297915798125, 7052174242084525, 109425656597938175, -88497453300450575, -107470322009554282075, -6297063330456696598775 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..19.

FORMULA

a(n)=sum(A049374(n,m)*(-1)^(m-1),m=1..n), n>=1.

E.g.f.: 1-exp(-(1-(1-x)^5)/(5*(1-x)^5)). Cf. e.g.f. first column of A049374.

CROSSREFS

Cf. A049402 (row sums of A049374).

Sequence in context: A297452 A147177 A057255 * A225011 A228457 A213293

Adjacent sequences:  A134137 A134138 A134139 * A134141 A134142 A134143

KEYWORD

sign,easy

AUTHOR

Wolfdieter Lang Oct 12 2007

STATUS

approved

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Last modified January 27 10:39 EST 2022. Contains 350607 sequences. (Running on oeis4.)