36490

Appears in sequences

• a(n) = Sum_{k=0..n} binomial(n,k)*w(k)*w(n-k) where w() = A000296().at n=9A194689
• Numbers that can be represented as a sum of two distinct nontrivial prime powers in three or more ways.at n=37A225104
• Numbers n = p * q, where n, p, and q together contain all 10 digits at least once.at n=39A253172
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. exp(2 * (exp(x) - Sum_{j=0..k} x^j/j!)).at n=64A336345
• G.f. A(x) satisfies A(x) = ( (1 + x*A(x)^2) * (1 + x*A(x)) )^2.at n=5A379279