Number of nX7 0..3 arrays with rows nondecreasing and antidiagonals unimodal.
A224023
Number of nX7 0..3 arrays with rows nondecreasing and antidiagonals unimodal.
Terms
- a(0) =120a(1) =14400a(2) =1074167a(3) =60614473a(4) =2903448338a(5) =126168072638
External references
- oeis: A224023