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A134831 Alternating row sums of triangle A134830. 1
1, 1, 2, 0, 12, -26, 312, -1338, 16684, -104994, 1463904, -12138218, 190104132, -1956240066, 34206491416, -420374124426, 8140714373532, -116318340148898, 2474986205007504, -40312051604277354 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..19.

FORMULA

a(n)=sum(A134830(n,k)*(-1)^(k-1),k=1..n+1), n>=0.

CROSSREFS

Sequence in context: A104014 A002929 A112261 * A074001 A228621 A180189

Adjacent sequences:  A134828 A134829 A134830 * A134832 A134833 A134834

KEYWORD

sign,easy

AUTHOR

Wolfdieter Lang Jan 21 2008

STATUS

approved

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Last modified June 16 15:38 EDT 2019. Contains 324153 sequences. (Running on oeis4.)