Number of (n+2)X6 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.
A202643
Number of (n+2)X6 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.
Terms
- a(0) =1278a(1) =5948a(2) =31560a(3) =171362a(4) =923788a(5) =5002208a(6) =27264078a(7) =148104786a(8) =804922608a(9) =4383730776a(10) =23842456572a(11) =129699690190a(12) =705943179474
External references
- oeis: A202643