Number of n X 3 0..7 arrays with no element equal to another at a city block distance of exactly two, and new values 0..7 introduced in row major order.
A222892
Number of n X 3 0..7 arrays with no element equal to another at a city block distance of exactly two, and new values 0..7 introduced in row major order.
Terms
- a(0) =3a(1) =34a(2) =991a(3) =84521a(4) =11047723a(5) =1639681049a(6) =251412693667
External references
- oeis: A222892