256585

Appears in sequences

• Triangle T(n,k) of n X n binary matrices with k=0..n^2 ones under action of dihedral group of the square D_4.at n=44A054252
• Triangle T(n,k) of n X n binary matrices with k=0..n^2 ones under action of dihedral group of the square D_4.at n=51A054252
• Numbers k such that k and k^2 use only the digits 2, 3, 5, 6 and 8.at n=17A137081