Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 5Xn array.
A219598
Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 5Xn array.
Terms
- a(0) =15a(1) =87a(2) =705a(3) =4350a(4) =26006a(5) =156964a(6) =939006a(7) =5466749a(8) =30837420a(9) =168947111a(10) =901097968a(11) =4680202369a(12) =23651533225a(13) =116192356397a(14) =554663937245
External references
- oeis: A219598