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.
A255256
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.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =4a(8) =4a(9) =1a(10) =1a(11) =8a(12) =14a(13) =8a(14) =1a(15) =1a(16) =16a(17) =50a(18) =50a(19) =16a(20) =1a(21) =1a(22) =32a(23) =178a(24) =276a(25) =178a(26) =32a(27) =1a(28) =1a(29) =64
External references
- oeis: A255256