107989

Appears in sequences

• G.f. satisfies: A(x) = Sum_{n>=0} x^n * A(x)^(n^2) / (1 + x*A(x)^n)^n.at n=10A221585
• Expansion of Product_{k>=1} ((1 + x^(3*k)) / (1 - x^k))^k.at n=20A285447
• a(n) = number of isogeny classes of p-divisible groups of abelian varieties of dimension n over an algebraically closed field of characteristic p (for any fixed prime p).at n=32A361721