Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302888
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =496a(2) =2548a(3) =98458a(4) =2727690a(5) =89290791a(6) =2899297652a(7) =94799190457
External references
- oeis: A302888