Number of 4Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.
A232298
Number of 4Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.
Terms
- a(0) =1a(1) =355a(2) =17759a(3) =718483a(4) =31119789a(5) =1370434057a(6) =60054788123
External references
- oeis: A232298