5735478

Appears in sequences

• Number of 0/1 colorings of an n X n square for which no 2 by 2 subsquare is monochromatic.at n=5A133130
• Number of nX5 binary matrices with no 2X2 circuit having pattern 0101 in any orientation.at n=4A181240
• T(n,k) = Number of n X k binary matrices with no 2 X 2 circuit having pattern 0101 in any orientation.at n=40A181245