164052

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=26A031708
• a(n) = T(n)^2 - n^2, where T(n) is a triangular number.at n=28A085740
• a(n) = 4*(n+1)^2*(3*n+1)^2*(12*n^2+20*n+5).at n=2A109122
• a(n) = 225*n^2 + n.at n=26A156814
• a(n) = 729*n^2 + 27.at n=15A158645
• Number of n X 3 nonnegative integer arrays with upper left 0 and every value within 2 of its city block distance from the upper left and every value increasing by 0 or 1 with every step right or down.at n=16A252815
• Discriminants of totally real cubic fields with 2 associated nonconjugate fields.at n=29A329786
• Numbers k such that 256 * 3^k + 1 is prime.at n=45A390051