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

0,3

Links

Table of n, a(n) for n=0..23.

Formula

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

Crossrefs

Cf. A093635.

Sequence in context: A150362 A150363 A150364 * A150365 A150366 A150367

Adjacent sequences: A093633 A093634 A093635 * A093637 A093638 A093639

Keyword

nonn

Author

Paul D. Hanna, Apr 07 2004

Status

approved