Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX6 array.
A219517
Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX6 array.
Terms
- a(0) =6a(1) =7a(2) =70a(3) =380a(4) =1961a(5) =9292a(6) =42906a(7) =193830a(8) =844076a(9) =3502384a(10) =13875479a(11) =52704643a(12) =192502374a(13) =677308600a(14) =2299354092a(15) =7545224194a(16) =23977606181a(17) =73928754282a(18) =221543426554a(19) =646331532510
External references
- oeis: A219517