A219690 - cp's OEIS frontend

A219690 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array.

n	a(n)
1	21
2	60
3	655
4	5726
5	44816
6	344926
7	2709320
8	21474269
9	167685059
10	1273322836
11	9386203438
12	67340577300
13	471427290355
14	3224592437317
15	21562151377146
16	141010883018273
17	902366368908706
18	5653483899077449
19	34695071833947322

[21, 60, 655, 5726, 44816, 344926, 2709320, 21474269, 167685059, 1273322836, 9386203438, 67340577300, 471427290355, 3224592437317, 21562151377146, 141010883018273, 902366368908706, 5653483899077449, 34695071833947322]

cp's OEIS Frontend

A219690 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array.

Table of values

List of values