T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.

A186568

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.

Terms

    a(0) =19683a(1) =721a(2) =721a(3) =2917a(4) =173a(5) =2917a(6) =6594a(7) =401a(8) =401a(9) =6594a(10) =12122a(11) =1411a(12) =1399a(13) =1411a(14) =12122a(15) =20056a(16) =2617a(17) =3421a(18) =3421a(19) =2617a(20) =20056a(21) =29303a(22) =3379a(23) =4807a(24) =8983a(25) =4807a(26) =3379a(27) =29303a(28) =35198a(29) =4033

External references