1050626domain: NAppears in sequencesNumbers that are the sum of 5 positive 10th powers.at n=23A004805Numbers n such that n is a substring of its square in base 8 (written in base 10).at n=37A018832a(n) = (n^2+1)^2+1.at n=32A178390a(n) = Sum_{d|n} phi(n/d)^(n+d+1).at n=7A342620