Number of 0..4 colorings of a 2 X (n+1) array circular in the n+1 direction with new values 0..4 introduced in row major order.
A214143
Number of 0..4 colorings of a 2 X (n+1) array circular in the n+1 direction with new values 0..4 introduced in row major order.
Terms
- a(0) =4a(1) =17a(2) =257a(3) =3074a(4) =40434a(5) =522515a(6) =6800539a(7) =88363628a(8) =1148860844a(9) =14934544493a(10) =194151313701
External references
- oeis: A214143