Number of nX6 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.
A224279
Number of nX6 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.
Terms
- a(0) =610a(1) =59792a(2) =2059793a(3) =44901359a(4) =817075668a(5) =14587480744a(6) =274116529912
External references
- oeis: A224279