176428

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 30.at n=27A031708
• a(n) = 225*n^2 + n.at n=27A156814
• a(n) = 900*n^2 + 2*n.at n=13A158406
• a(n) = 784*n^2 + 28.at n=15A158659