%I #6 Dec 30 2018 09:48:21

%S 1,1,1,2,5,16,61,268,1329,7336,44585,295772,2126715,16477258,

%T 136864245,1213428718,11438634553,114254173932,1205496223411,

%U 13398178039706,156464491167265,1915485392571130,24531500141570723,328032365192587366,4571816365501050767,66302821042903175424,999058724695054222539,15619164791519468367584,253027004031514936296681,4242198305180479892604194

%N Self-convolution square root of A322197.

%H Paul D. Hanna, <a href="/A322616/b322616.txt">Table of n, a(n) for n = 0..150</a>

%F a(n) ~ Pi * n^(n+1) / (2^(n + 1/4) * exp(n) * (log(1+sqrt(2)))^(n + 3/2)). - _Vaclav Kotesovec_, Dec 30 2018

%K nonn

%O 0,4

%A _Paul D. Hanna_, Dec 20 2018