Number of 7Xn 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
A223967
Number of 7Xn 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
Terms
- a(0) =16384a(1) =3342081a(2) =68892600a(3) =559416917a(4) =2772658693a(5) =10269723035a(6) =31770135236a(7) =87719331172a(8) =225263690895a(9) =552379261275
External references
- oeis: A223967