A255262 Number of 2-colorings of a 5 X n rectangle such that no nontrivial subsquare has monochromatic corners.

1, 32, 634, 8352, 85138, 781712, 6965108, 63676276, 573884026, 5345916472, 49611640680, 461953566404, 4330354287396, 40272872295148, 374708736274324, 3480925090005388, 32298776524667360, 300205447716571716, 2790072113514722888, 25940651276104559604, 241231567695925299556

Offset: 0

Author

Alois P. Heinz, Feb 19 2015

Keywords

• nonn

Crossrefs

Column k=5 of A255256.