T(n,k)=Number of n X k nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any diagonal or antidiagonal neighbor (colorings ignoring permutations of colors).

A207981

T(n,k)=Number of n X k nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any diagonal or antidiagonal neighbor (colorings ignoring permutations of colors).

Terms

    a(0) =1a(1) =2a(2) =2a(3) =5a(4) =7a(5) =5a(6) =15a(7) =67a(8) =67a(9) =15a(10) =52a(11) =1080a(12) =4192a(13) =1080a(14) =52a(15) =203a(16) =25287a(17) =587208a(18) =587208a(19) =25287a(20) =203a(21) =877a(22) =794545a(23) =147512732a(24) =953124784a(25) =147512732a(26) =794545a(27) =877a(28) =4140a(29) =31858034

External references