Number of nX7 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.
A224280
Number of nX7 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.
Terms
- a(0) =1163a(1) =180821a(2) =8626382a(3) =233090092a(4) =4728056658a(5) =86539248276
External references
- oeis: A224280