T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal.

A234428

T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal.

Terms

    a(0) =448a(1) =4516a(2) =4516a(3) =44140a(4) =89844a(5) =44140a(6) =453728a(7) =1729584a(8) =1729584a(9) =453728a(10) =4641220a(11) =37628800a(12) =58371648a(13) =37628800a(14) =4641220a(15) =47946684a(16) =828368064a(17) =2539059832a(18) =2539059832a(19) =828368064a(20) =47946684a(21) =494928936a(22) =18660740184a(23) =109799236808

External references