Number of nX7 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300464
Number of nX7 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =41a(2) =212a(3) =2585a(4) =55663a(5) =935121a(6) =17675111a(7) =330639367a(8) =6123205255a(9) =114735094931
External references
- oeis: A300464