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A134282 Alternating row sums of triangle A134280 (S2(6)'). 2
1, 5, 61, 959, 20821, 545279, 17128201, 620355263, 25594230937, 1181868481463, 60478614651577, 3395069184089687, 207524762064350473, 13718967902774331287, 975392219493426602569, 74215525935813198093815 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..16.

FORMULA

a(n)=sum(A134280(n,m)*(-1)^(m-1),m=1..n), n>=1.

CROSSREFS

Cf. A134281 (row sums of triangle A134280).

Sequence in context: A012060 A012167 A162167 * A146760 A294024 A083082

Adjacent sequences:  A134279 A134280 A134281 * A134283 A134284 A134285

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang Nov 13 2007

STATUS

approved

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Last modified August 6 18:25 EDT 2020. Contains 336256 sequences. (Running on oeis4.)