Number of 4Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302955
Number of 4Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =34a(2) =587a(3) =6531a(4) =87901a(5) =1248691a(6) =17374552a(7) =240722070a(8) =3341034465a(9) =46388257442a(10) =643972648584
External references
- oeis: A302955