0,3

G.f.: A(x) = 1 + x*B(x)^5 where B(x) is the g.f. of A137960.

(PARI) {a(n)=local(A=1+x*O(x^n)); for(i=0, n, A=1+x*(1+x*A^2)^5); polcoeff(A, n)}

Cf. A137960, A137962; A137963, A137965, A137973.

Sequence in context: A110595 A092640 A109500 this_sequence A020039 A117736 A028944

Adjacent sequences: A137958 A137959 A137960 this_sequence A137962 A137963 A137964

nonn

Paul D. Hanna (pauldhanna(AT)juno.com), Feb 26 2008