T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.
A204076
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.
Terms
- a(0) =8a(1) =38a(2) =38a(3) =188a(4) =329a(5) =188a(6) =938a(7) =2882a(8) =2882a(9) =938a(10) =4688a(11) =25277a(12) =45056a(13) =25277a(14) =4688a(15) =23438a(16) =221726a(17) =706454a(18) =706454a(19) =221726a(20) =23438a(21) =117188a(22) =1944977a(23) =11081828a(24) =19934369a(25) =11081828a(26) =1944977a(27) =117188a(28) =585938a(29) =17061338
External references
- oeis: A204076