Number of nX3 0..3 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
A201230
Number of nX3 0..3 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
Terms
- a(0) =7a(1) =34a(2) =114a(3) =140a(4) =2462a(5) =18056a(6) =62133a(7) =82861a(8) =1593643a(9) =11978376a(10) =41385355a(11) =54794307a(12) =1094405924a(13) =8362468865a(14) =28876780544a(15) =37796133889a(16) =761894988558
External references
- oeis: A201230