Number of nX6 0..3 arrays with rows unimodal and antidiagonals nondecreasing.
A224202
Number of nX6 0..3 arrays with rows unimodal and antidiagonals nondecreasing.
Terms
- a(0) =610a(1) =59792a(2) =2734683a(3) =93052770a(4) =2981774784a(5) =96914926654
External references
- oeis: A224202