Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300928
Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =450a(2) =23404a(3) =1155263a(4) =57594572a(5) =2875574552a(6) =143498589629
External references
- oeis: A300928