Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal, vertical or antidiagonal neighbor equal to 4-1.
A266159
Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal, vertical or antidiagonal neighbor equal to 4-1.
Terms
- a(0) =8a(1) =16a(2) =40a(3) =272a(4) =5512a(5) =149232a(6) =3741272a(7) =88206664a(8) =2011246768a(9) =44947984536a(10) =994530883200
External references
- oeis: A266159