44211

Appears in sequences

• G.f. A(x) equals an infinite symmetric composition of functions x/(1-x^n), n=1,2,3,...at n=9A163135
• Principal diagonal of the convolution array A213765.at n=9A213766
• Numbers formed by concatenating n with the distinct prime factors of n, left to right, smallest factors to largest, with a(1) = 10.at n=43A367918
• Numbers k for which sigma(k - x) + sigma(k + x) = 8*k has at least one nonnegative solution.at n=15A384841