Number of 4Xn 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.
A303458
Number of 4Xn 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) =1696a(3) =22756a(4) =306448a(5) =4129588a(6) =55681352a(7) =750838628a(8) =10125474040a(9) =136549176292
External references
- oeis: A303458