Number of nX6 0..4 arrays with entries increasing mod 5 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.
A222167
Number of nX6 0..4 arrays with entries increasing mod 5 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.
Terms
- a(0) =243a(1) =31307a(2) =4380445a(3) =625649047a(4) =89948464453
External references
- oeis: A222167