T(n,k)=Number of (n+3)X(k+3) 0..2 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.

A186589

T(n,k)=Number of (n+3)X(k+3) 0..2 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.

Terms

    a(0) =43046721a(1) =8824a(2) =8824a(3) =38608a(4) =827a(5) =38608a(6) =192026a(7) =1991a(8) =1991a(9) =192026a(10) =805791a(11) =12263a(12) =5879a(13) =12263a(14) =805791a(15) =1728546a(16) =42313a(17) =39757a(18) =39757a(19) =42313a(20) =1728546a(21) =2296065a(22) =79015a(23) =115699a(24) =163723a(25) =115699a(26) =79015a(27) =2296065a(28) =2604716a(29) =98893

External references