Number of nX7 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301399
Number of nX7 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =41a(2) =554a(3) =15538a(4) =521514a(5) =16325745a(6) =528025038a(7) =16971131642a(8) =546618326745
External references
- oeis: A301399