57485

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 16.at n=29A031604
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 3,2 4,2 5,3 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155417