%I #5 Aug 10 2019 09:32:56
%S 1,0,2,2,10,50,250,1442,9514,68882,539098,4546562,41123338,396400754,
%T 4050377146,43694283362,495985850602,5906224845266,73578420729754,
%U 956597103241922,12951012525806026,182233188537332018,2660301596873941882,40226477151229612322
%N Coefficients in asymptotic expansion of sequence A309618.
%H Vaclav Kotesovec, <a href="/A326983/b326983.txt">Table of n, a(n) for n = 0..114</a>
%e A309618(n) / n! ~ 1 + 2/n^2 + 2/n^3 + 10/n^4 + 50/n^5 + 250/n^6 + ...
%Y Cf. A309618.
%K nonn
%O 0,3
%A _Vaclav Kotesovec_, Aug 10 2019