T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..3 introduced in row major order.
A206521
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..3 introduced in row major order.
Terms
- a(0) =15a(1) =186a(2) =186a(3) =2786a(4) =10998a(5) =2786a(6) =43804a(7) =695541a(8) =695541a(9) =43804a(10) =697369a(11) =44350086a(12) =177097738a(13) =44350086a(14) =697369a(15) =11136544a(16) =2830665213a(17) =45142367398a(18) =45142367398a(19) =2830665213a(20) =11136544a(21) =177977851a(22) =180689239504
External references
- oeis: A206521