OFFSET
0,3
FORMULA
G.f.: sqrt(B(x)) where B(x) is the g.f. of A363481.
PROG
(PARI) seq(n) = my(A=1); for(i=1, n, A=exp(sum(k=1, i, subst(A, x, 2*x^k)^2*x^k/k)+x*O(x^n))); Vec(A);
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jun 04 2023
STATUS
approved