A322616 Self-convolution square root of A322197.

1, 1, 1, 2, 5, 16, 61, 268, 1329, 7336, 44585, 295772, 2126715, 16477258, 136864245, 1213428718, 11438634553, 114254173932, 1205496223411, 13398178039706, 156464491167265, 1915485392571130, 24531500141570723, 328032365192587366, 4571816365501050767, 66302821042903175424, 999058724695054222539, 15619164791519468367584, 253027004031514936296681, 4242198305180479892604194

Offset

0,4

Links

Paul D. Hanna, Table of n, a(n) for n = 0..150

Formula

a(n) ~ Pi * n^(n+1) / (2^(n + 1/4) * exp(n) * (log(1+sqrt(2)))^(n + 3/2)). - Vaclav Kotesovec, Dec 30 2018

Crossrefs

Sequence in context: A104858 A351143 A303058 * A178123 A138265 A275711

Adjacent sequences: A322613 A322614 A322615 * A322617 A322618 A322619

Keyword

nonn

Author

Paul D. Hanna, Dec 20 2018

Status

approved