Number of n X 5 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.
A302950
Number of n X 5 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) =3a(1) =161a(2) =3626a(3) =87901a(4) =2104533a(5) =50519822a(6) =1212025201a(7) =29081585941a(8) =697771332458
External references
- oeis: A302950