78766

Appears in sequences

• Expansion of g.f. A(x) satisfying A(x)^2 = (1+x) * A(x*A(x)) with A(0) = 1.at n=8A120056
• Numbers k such that sum of digits of k = sum of digits of anti-divisors of k.at n=29A213239
• Total sum of noncomposite parts in all partitions of n.at n=29A326958
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal pyramidal numbers in exactly n ways, or -1 if no such number exists.at n=12A350397