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Alternating row sums of array A092077 ((8,2)-Stirling2).
1

%I #3 Oct 12 2012 14:40:20

%S 1,41,5993,1911281,1070544561,931648129241,1164230224629081,

%T 1977455909783346273,4384042247054153832161,

%U 12298460017360155919009801,42594621493418383255115778761,178534870708446720311905067877201,890813416549297707507952795640859793

%N Alternating row sums of array A092077 ((8,2)-Stirling2).

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

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

%Y Cf. A091757 (row sums of A092077).

%K sign,easy

%O 1,2

%A _Wolfdieter Lang_, Feb 27 2004