Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303623
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =496a(2) =5411a(3) =160807a(4) =5249045a(5) =179884814a(6) =6323564388a(7) =224091914399
External references
- oeis: A303623