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

Author

Paul D. Hanna, Dec 20 2018

Keywords

• nonn

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