0,2

Table of n, a(n) for n=0..92.

(PARI) {a(n)=local(d=6, m=12, A=1+m*x); for(j=2, d*n, for(k=1, m, t=polcoeff((A+k*x^j+x*O(x^j))^(1/m), j); if(denominator(t)==1, A=A+k*x^j; break))); polcoeff(A, d*n)}

Cf. A084067, A110645, A110647, A110648, A110649.

Sequence in context: A320130 A320128 A320127 * A320126 A234520 A275789

Adjacent sequences: A110643 A110644 A110645 * A110647 A110648 A110649

nonn

Robert G. Wilson v and Paul D. Hanna, Aug 30 2005

approved