A136504 Row sums of triangle A136502.

1, 0, 1, -3, 19, -223, 5024, -221357, 19276981, -3337101203, 1151813749025, -793860037771900, 1093434531716214447, -3010922236710802264555, 16578683647583849207539977, -182552322688781602767983229935

Offset: 0

Author

Paul D. Hanna, Jan 01 2008

Keywords

• sign

Crossrefs

Cf. A136502.

Programs

PARI

{a(n)=local(M=matrix(n+1,n+1,r,c,binomial(2^(c-1),r-c))); sum(k=0,n,(M^-1)[n+1,k+1])}

Formula

G.f.: 1/(1-x) = Sum_{n>=0} a(n)*x^n*(1+x)^(2^n).