Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
A302071
Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =884a(3) =7070a(4) =54177a(5) =420121a(6) =3247765a(7) =25151723a(8) =194858064a(9) =1509933667a(10) =11700696791a(11) =90670424899a(12) =702618377845
External references
- oeis: A302071