Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303452
Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =1690a(3) =22756a(4) =306767a(5) =4136339a(6) =55781418a(7) =752277525a(8) =10145443043a(9) =136824986363
External references
- oeis: A303452