Number of nX7 0..4 arrays with entries increasing mod 5 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.
A222168
Number of nX7 0..4 arrays with entries increasing mod 5 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.
Terms
- a(0) =729a(1) =199497a(2) =60481881a(3) =18838482047
External references
- oeis: A222168