A132059 Alternating row sums of triangle A132057 (s2(8)).

1, 27, 925, 35069, 1406679, 58491537, 2493656187, 108280678092, 4768395658314, 212335592489544, 9540877059969102, 431908789303835976, 19675192863275361294, 901089855844979674068, 41459199062515242868098

Offset: 1

Author

Wolfdieter Lang Sep 11 2007

Keywords

• nonn
• easy

Crossrefs

Cf. A092087 (alternating row sums of s2(7)=A092083).

Formula

a(n)= -sum(A132057(n, m)*(-1)^m, m=1..n), n>=1.

G.f.: (-1 +(1-49*x)^(-1/7))/(6+(1-49*x)^(-1/7)).