T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order.

A205590

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order.

Terms

    a(0) =14a(1) =74a(2) =74a(3) =413a(4) =550a(5) =413a(6) =2268a(7) =4220a(8) =4220a(9) =2268a(10) =12574a(11) =32500a(12) =48401a(13) =32500a(14) =12574a(15) =69338a(16) =248940a(17) =541966a(18) =541966a(19) =248940a(20) =69338a(21) =383440a(22) =1910922a(23) =6127845a(24) =8952876a(25) =6127845a(26) =1910922a(27) =383440a(28) =2117054a(29) =14668206

External references