Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array.
A219772
Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array.
Terms
- a(0) =7a(1) =18a(2) =189a(3) =1887a(4) =17259a(5) =147012a(6) =1163030a(7) =8624956a(8) =60333410a(9) =399317172a(10) =2503952448a(11) =14900183092a(12) =84344722793a(13) =455482339940
External references
- oeis: A219772