T(n,k)=Number of nXk 0..6 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..6 introduced in row major order.
A209465
T(n,k)=Number of nXk 0..6 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..6 introduced in row major order.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =5a(4) =6a(5) =5a(6) =15a(7) =57a(8) =57a(9) =15a(10) =52a(11) =700a(12) =2027a(13) =700a(14) =52a(15) =203a(16) =10676a(17) =107472a(18) =107472a(19) =10676a(20) =203a(21) =877a(22) =192994a(23) =7487423a(24) =26142922a(25) =7487423a(26) =192994a(27) =877a(28) =4139a(29) =3966581
External references
- oeis: A209465