Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX3 array.
A219168
Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX3 array.
Terms
- a(0) =6a(1) =23a(2) =146a(3) =644a(4) =2399a(5) =8024a(6) =24670a(7) =70595a(8) =189703a(9) =482428a(10) =1168768a(11) =2712689a(12) =6060622a(13) =13086909a(14) =27406161a(15) =55822557a(16) =110863500a(17) =215126312a(18) =408605812a(19) =760846267a(20) =1390785936a(21) =2498695182a(22) =4416871050a(23) =7689045773a(24) =13193204903
External references
- oeis: A219168