A093639 Self-convolution forms A093638.

1, 1, 3, 10, 40, 163, 738, 3308, 15767, 74784, 368717, 1805773, 9113860, 45683811, 234272577, 1194970083, 6201864043, 32034420492, 167941221248, 876209929880, 4627819824850, 24348860106096, 129422692783990, 685425678409977

Offset

0,3

Links

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

Formula

G.f.: A(x) = Product_{n>=0} 1/(1-A093638(n)*x^(n+1)).

Crossrefs

Cf. A093637, A093638.

Sequence in context: A149054 A149055 A254535 * A089005 A287887 A088300

Adjacent sequences: A093636 A093637 A093638 * A093640 A093641 A093642

Keyword

nonn

Author

Paul D. Hanna, Apr 07 2004

Status

approved