472621

Appears in sequences

• Numbers m such that m' = d_1^1 + d_2^2 + ... + d_k^k where d_1, d_2, ..., d_k are the digits of m, with MSD(m) = d_1 and LSD(m) = d_k, and m' is the arithmetic derivative of m.at n=6A284812
• Number of n X 2 0..1 arrays with each 1 adjacent to 2, 3 or 5 king-move neighboring 1s.at n=12A296957
• E.g.f. A(x) satisfies: [x^n] A(x)^(-n) = (2*n - 3) * [x^(n-1)] A(x)^(-n) for n>=1.at n=6A301386