108930

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 22.at n=30A031700
• a(n) = 484*n^2 + 2*n.at n=14A158325
• a(n) = 900*n^2 + 30.at n=11A158672
• a(n) = 121*n^2 + n.at n=29A173267
• a(0) = 1; thereafter a(n) = n*Sum_{k = 0..n-1} binomial(n, k)*(-1)^(1+n+k)*a(k).at n=6A365863