Number of n X 5 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..2 n X 5 array.
A220150
Number of n X 5 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..2 n X 5 array.
Terms
- a(0) =15a(1) =88a(2) =645a(3) =4559a(4) =34959a(5) =279304a(6) =2173203a(7) =16032779a(8) =111800304a(9) =739040657a(10) =4649261872a(11) =27940861285a(12) =160944594371a(13) =891059955504
External references
- oeis: A220150