Number of nX7 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order.
A206358
Number of nX7 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order.
Terms
- a(0) =41a(1) =48680a(2) =9669452a(3) =1973960628a(4) =401471308746
External references
- oeis: A206358