Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX6 array.
A219771
Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX6 array.
Terms
- a(0) =6a(1) =15a(2) =114a(3) =771a(4) =4837a(5) =27921a(6) =147717a(7) =725287a(8) =3342140a(9) =14569918a(10) =60328126a(11) =237879223a(12) =895542427a(13) =3227615841a(14) =11166814658a(15) =37186260684a(16) =119490688029a(17) =371363754669
External references
- oeis: A219771