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A132165 Alternating row sums of triangle A134141 (S1p(7)). 2
1, 6, 36, 174, -174, -26076, -596616, -10334556, -143486244, -1157102136, 19891298736, 1443409042536, 52915941558936, 1542313273333104, 37123741709607456, 635436136388469744, -1073509544497887216, -801332217409556182176, -51221481393025808800704 (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(A134141(n,m)*(-1)^(m-1),m=1..n),n>=1.

E.g.f.: 1 - exp(-(1-(1-x)^6)/(6*(1-x)^6)). Cf. e.g.f. first column of A134141.

CROSSREFS

Cf. A132164 (row sum of A134141).

Sequence in context: A293068 A213294 A293886 * A200573 A224130 A283197

Adjacent sequences:  A132162 A132163 A132164 * A132166 A132167 A132168

KEYWORD

sign,easy

AUTHOR

Wolfdieter Lang Oct 12 2007

STATUS

approved

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Last modified November 30 09:54 EST 2021. Contains 349419 sequences. (Running on oeis4.)