A145165 G.f. A(x) satisfies A(x/A(x)^5) = 1/(1-x).

1, 1, 6, 76, 1406, 32531, 874407, 26234503, 857727024, 30087607090, 1120358453641, 43948073274103, 1805827523343241, 77390779901965470, 3447553371343457810, 159209478315871014816, 7605143367385966288569

Offset: 0

Author

Paul D. Hanna, Oct 03 2008

Keywords

• nonn

Crossrefs

Cf. A145166 (A^5); A088713, A145158, A145160, A145162, A145167.

Programs

PARI

{a(n)=local(A=1+x+x*O(x^n),B);for(n=0,n,B=serreverse(x/A^5);A=1/(1-B));polcoeff(A,n)}

Formula

G.f. satisfies: 1 - 1/A(x) = x*A( 1 - 1/A(x) )^5.

Self-convolution 5th power yields A145166.