Number of 7Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303530
Number of 7Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =86a(2) =687a(3) =4112a(4) =56046a(5) =965150a(6) =15768709a(7) =258412452a(8) =4730074082a(9) =89182240009
External references
- oeis: A303530