T(n,m)=Number of (n+1)X6 0..m arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.

A188837

T(n,m)=Number of (n+1)X6 0..m arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.

Terms

    a(0) =106a(1) =966a(2) =128a(3) =4895a(4) =903a(5) =270a(6) =17608a(7) =3442a(8) =3190a(9) =449a(10) =50755a(11) =10259a(12) =20224a(13) =4875a(14) =797a(15) =125368a(16) =23790a(17) =89650a(18) =25633a(19) =13278a(20) =1061a(21) =275175a(22) =48875a(23) =306279a(24) =100789a(25) =107353a(26) =16083a(27) =1681a(28) =553211a(29) =91096

External references