Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301530
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =304a(2) =7640a(3) =339956a(4) =14890200a(5) =681538595a(6) =31363814530
External references
- oeis: A301530