Number of 6Xn 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.
A224314
Number of 6Xn 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.
Terms
- a(0) =729a(1) =69984a(2) =615481a(3) =2717759a(4) =9829605a(5) =33934344a(6) =118317987a(7) =416543502a(8) =1454734611a(9) =4952178320a(10) =16233385381a(11) =50895787205a(12) =152210262323a(13) =434202798968
External references
- oeis: A224314