|
%I #5 Nov 23 2021 06:00:29
%S 1,3,23,255,3679,65247,1371887,33347535,919848991,28382683263,
%T 968565339983,36217270235055,1472548026160639,64679673007670367,
%U 3052084360057720367,153980839859926277775,8270901171633696369631
%N Secondary diagonal of triangle A118788.
%F a(n) = (n+1)!*[x^n] ( x/(2*x + log(1-x)) )^(n+2).
%o (PARI)
%o {a(n)=local(x=X+X^2*O(X^(n)));(n+1)!*polcoeff((x/(2*x+log(1-x)))^(n+2),n,X)}
%Y Cf. A118788, A118789.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Apr 29 2006
|
