Number of 4 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302268
Number of 4 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =818a(3) =5922a(4) =40296a(5) =284428a(6) =1984001a(7) =13858979a(8) =96989344a(9) =677924227a(10) =4741556252a(11) =33160693907a(12) =231908861764
External references
- oeis: A302268