260204

Appears in sequences

• Number of 2-colorings of a 3 X n rectangle for which no subsquare has monochromatic corners.at n=7A133357
• Number A(n,k) of 2-colorings of a k X n rectangle such that no nontrivial subsquare has monochromatic corners; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=58A255256
• Number A(n,k) of 2-colorings of a k X n rectangle such that no nontrivial subsquare has monochromatic corners; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=62A255256
• Number of permutations in S_n that avoid the pattern 42351.at n=9A256200