A093636 Self-convolution forms A093635.

1, 1, 2, 7, 23, 92, 368, 1573, 6687, 29961, 133258, 612277, 2801021, 13118117, 61169118, 290680439, 1374997022, 6603579274, 31604621290, 153080685045, 739012183165, 3605324123927, 17533159420196, 86021715284351

Offset: 0

Author

Paul D. Hanna, Apr 07 2004

Keywords

• nonn

Crossrefs

Cf. A093635.

Formula

G.f.: A(x) = Product_{n>=0} (1+A093635(n)*x^(n+1)).