T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

A205255

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

Terms

    a(0) =16a(1) =40a(2) =40a(3) =112a(4) =168a(5) =112a(6) =328a(7) =752a(8) =752a(9) =328a(10) =976a(11) =3416a(12) =5212a(13) =3416a(14) =976a(15) =2920a(16) =15568a(17) =36304a(18) =36304a(19) =15568a(20) =2920a(21) =8752a(22) =71000a(23) =253072a(24) =387328a(25) =253072a(26) =71000a(27) =8752a(28) =26248a(29) =323856

External references