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A091758 Alternating row sums of array A092077 ((8,2)-Stirling2). 1
1, 41, 5993, 1911281, 1070544561, 931648129241, 1164230224629081, 1977455909783346273, 4384042247054153832161, 12298460017360155919009801, 42594621493418383255115778761, 178534870708446720311905067877201, 890813416549297707507952795640859793 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The first negative member is the 680 digit number a(138)=-2266379480...2912329207.

LINKS

Table of n, a(n) for n=1..13.

FORMULA

a(n)= sum( A092077(n, k)*(-1)^k, k=2..2*n), n>=1.

CROSSREFS

Cf. A091757 (row sums of A092077).

Sequence in context: A159992 A101830 A223130 * A208255 A221325 A104301

Adjacent sequences:  A091755 A091756 A091757 * A091759 A091760 A091761

KEYWORD

sign,easy

AUTHOR

Wolfdieter Lang, Feb 27 2004

STATUS

approved

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Last modified November 23 20:23 EST 2017. Contains 295141 sequences.