T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.

A207050

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.

Terms

    a(0) =81a(1) =150a(2) =150a(3) =441a(4) =270a(5) =441a(6) =1416a(7) =552a(8) =552a(9) =1416a(10) =4371a(11) =1182a(12) =750a(13) =1182a(14) =4371a(15) =13386a(16) =2244a(17) =1272a(18) =1272a(19) =2244a(20) =13386a(21) =41589a(22) =4722a(23) =2094a(24) =2244a(25) =2094a(26) =4722a(27) =41589a(28) =128700a(29) =9582

External references