Number of n X 7 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302308
Number of n X 7 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =21a(1) =363a(2) =275a(3) =2048a(4) =4772a(5) =18992a(6) =76642a(7) =364922a(8) =1991487a(9) =11850372a(10) =74391348a(11) =486418706a(12) =3257213385a(13) =22149432404a(14) =152046330078
External references
- oeis: A302308