Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX3 array.
A219934
Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX3 array.
Terms
- a(0) =10a(1) =64a(2) =368a(3) =2030a(4) =10791a(5) =53712a(6) =248881a(7) =1078041a(8) =4392080a(9) =16934739a(10) =62139295a(11) =217998268a(12) =733954298a(13) =2378538247a(14) =7437225921a(15) =22480974900a(16) =65801147068a(17) =186761554134a(18) =514682627667
External references
- oeis: A219934