Number of 6Xn 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing.
A223923
Number of 6Xn 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing.
Terms
- a(0) =28a(1) =784a(2) =12752a(3) =139925a(4) =1147712a(5) =7526024a(6) =41334135a(7) =196691651a(8) =831996762a(9) =3191126598a(10) =11273703656a(11) =37147879480a(12) =115325935123a(13) =340079259419a(14) =958837466287
External references
- oeis: A223923