0,3

G.f.: A(x) = 1 + x*B(x)^2 where B(x) is the g.f. of A137961.

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

Cf. A137961, A137959; A137952, A137955, A137967.

Sequence in context: A036996 A108851 A105486 this_sequence A018933 A116586 A119366

Adjacent sequences: A137957 A137958 A137959 this_sequence A137961 A137962 A137963

nonn

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