Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.
A219715
Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.
Terms
- a(0) =10a(1) =13a(2) =45a(3) =125a(4) =283a(5) =561a(6) =1030a(7) =1776a(8) =2916a(9) =4610a(10) =7073a(11) =10587a(12) =15513a(13) =22303a(14) =31512a(15) =43810a(16) =59994a(17) =81000a(18) =107915a(19) =141989a(20) =184647a(21) =237501a(22) =302362a(23) =381252a(24) =476416a(25) =590334a(26) =725733a(27) =885599a(28) =1073189a(29) =1292043
External references
- oeis: A219715