Number of nX5 0..4 arrays with no element equal to another at a city block distance of exactly two, and new values 0..4 introduced in row major order.
A222943
Number of nX5 0..4 arrays with no element equal to another at a city block distance of exactly two, and new values 0..4 introduced in row major order.
Terms
- a(0) =20a(1) =2433a(2) =82320a(3) =2883000a(4) =100692120a(5) =3510873720a(6) =122511965400
External references
- oeis: A222943