Number of nX5 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A317893
Number of nX5 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =5a(2) =59a(3) =549a(4) =6193a(5) =67792a(6) =741031a(7) =8119416a(8) =88900423a(9) =973425343a(10) =10659656523a(11) =116727563443
External references
- oeis: A317893