Number of n X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300429
Number of n X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =2a(2) =13a(3) =87a(4) =704a(5) =6677a(6) =75553a(7) =1012416a(8) =16998387a(9) =349644776a(10) =9034633150
External references
- oeis: A300429