244917

Appears in sequences

• G.f. satisfies: A(x/A(x)^3) = G(x) where G(x) = 1 + x*G(x)^3 is the g.f. of A001764.at n=6A168478
• Integer quotients of k^2 by the sum of the prime distinct divisors of k^2+1, where k = A196219(n).at n=31A196220