490020

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 70.at n=19A031748
• a(n) = 400*n^2 + 20.at n=35A158601
• Expansion of e.g.f. 1 / (1 + 3 * log(1-x))^(2/3).at n=6A365575