Number of n X 4 0..4 arrays with no entry increasing mod 5 by 4 rightwards or downwards, starting with upper left zero.
A222140
Number of n X 4 0..4 arrays with no entry increasing mod 5 by 4 rightwards or downwards, starting with upper left zero.
Terms
- a(0) =64a(1) =8788a(2) =1206964a(3) =165770032a(4) =22767656980
External references
- oeis: A222140