Number of 7Xn 0..3 arrays with rows unimodal and columns nondecreasing.
A223992
Number of 7Xn 0..3 arrays with rows unimodal and columns nondecreasing.
Terms
- a(0) =120a(1) =14400a(2) =922768a(3) =37395816a(4) =1067023886a(5) =22985966340a(6) =392525216516
External references
- oeis: A223992