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A091548 Alternating row sums of triangle A091543. 1
1, 1, -1, -53, -1083, -24099, -120477, 115958039, 30323462809, 7554183583865, 2000735772375143, 483441809221224835, -15004002104132799283, -243176330287496140346187, -424738050855195910944014901, -660294012298780945217254277745 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
FORMULA
a(n)=sum(A091543(n, m)*(-1)^m, m=0..n-1), n>=1.
CROSSREFS
Sequence in context: A253111 A157618 A093982 * A342899 A017769 A017716
KEYWORD
sign,easy
AUTHOR
Wolfdieter Lang, Feb 13 2004
STATUS
approved

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Last modified July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)