68139

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 29.at n=8A031707
• a(n) = 841*n^2 + 2*n.at n=8A158403
• G.f.: Sum_{k>=0} x^k * Product_{j=1..5*k} (1 + x^j)/(1 - x^j).at n=25A385091