A118927 Self-convolution square-root of A118926.

1, 1, 3, 11, 47, 219, 1083, 5597, 29933, 164547, 925289, 5303409, 30898069, 182587159, 1092498017, 6609496707, 40383429717, 248940496629, 1546962207417, 9683696676693, 61024927547241, 386936560902269, 2467341175475253

Offset: 0

Author

Paul D. Hanna, May 06 2006

Keywords

• nonn

Examples

			A118926 satisfies: A118926(n) = Sum_{k=0,[n/2]} A104546(n,k)*A118926(k),
where A104546(n,k) is the number of Schroeder paths of length 2n and having k platforms. Is this sequence always integer?
		

Crossrefs

Cf. A118926, A104546.