Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX5 array.
A219912
Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX5 array.
Terms
- a(0) =15a(1) =15a(2) =147a(3) =758a(4) =3800a(5) =17007a(6) =76385a(7) =349806a(8) =1607125a(9) =7199979a(10) =30981013a(11) =127687103a(12) =506185639a(13) =1941810446a(14) =7244804147a(15) =26372456342a(16) =93824668945a(17) =326547924276
External references
- oeis: A219912