393148

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 66.at n=18A031744
• Number of nonnegative integer 3 X 3 matrices with sum of elements equal to n, under action of dihedral group of the square D_4.at n=20A054343
• a(n) = 361*n^2 + 19.at n=33A158592
• Number of chiral pairs of color patterns (set partitions) in a cycle of length n using 5 or fewer colors (subsets).at n=12A320745