Number of 4 X n 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..1 4 X n array.
A220034
Number of 4 X n 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..1 4 X n array.
Terms
- a(0) =5a(1) =8a(2) =15a(3) =34a(4) =61a(5) =95a(6) =137a(7) =187a(8) =246a(9) =315a(10) =395a(11) =487a(12) =592a(13) =711a(14) =845a(15) =995a(16) =1162a(17) =1347a(18) =1551a(19) =1775a(20) =2020a(21) =2287a(22) =2577a(23) =2891a(24) =3230a(25) =3595a(26) =3987a(27) =4407a(28) =4856a(29) =5335
External references
- oeis: A220034