A145161 G.f. A(x) satisfies A(x/A(x)) = 1/(1-x)^3.

1, 3, 15, 118, 1287, 17547, 279742, 5006016, 98012094, 2064544861, 46251043536, 1092948858498, 27078465176915, 700154717998512, 18825830520559743, 524889708138232101, 15140268414007624623, 450944670503507069127

Offset: 0

Author

Paul D. Hanna, Oct 03 2008

Keywords

• nonn

Crossrefs

Cf. A145160.

Programs

PARI

{a(n)=local(A=1+x+x*O(x^n));for(n=0,n,B=serreverse(x/A);A=1/(1-B)^3);polcoeff(A,n)}

Formula

Self-convolution cube of A145160.