A294293 E.g.f.: exp(1/((1+x)*(1+x^2)*(1+x^3)*(1+x^4)*(1+x^5)) - 1).

1, -1, 1, -7, 49, -301, 3001, -26251, 280897, -4040569, 52124401, -749335951, 12646748401, -215856019237, 4053285942889, -82462867482451, 1728838444704001, -38850070313151601, 922947645744036577, -22864122050534606359, 599150979583749111601

Offset: 0

Author

Seiichi Manyama, Oct 27 2017

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..438

Crossrefs

Column k=5 of A294289.

Programs

PARI

N=66; x='x+O('x^N); Vec(serlaplace(exp(1/((1+x)*(1+x^2)*(1+x^3)*(1+x^4)*(1+x^5))-1)))