T(n,k)=Number of nXk 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

A209744

T(n,k)=Number of nXk 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 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) =2025a(13) =700a(14) =52a(15) =203a(16) =10594a(17) =103373a(18) =103373a(19) =10594a(20) =203a(21) =876a(22) =183240a(23) =6262064a(24) =20611956a(25) =6262064a(26) =183240a(27) =876a(28) =4111a(29) =3412100

External references