A219498 - cp's OEIS frontend

A219498 Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X 4 array.

n	a(n)
1	4
2	7
3	18
4	35
5	58
6	88
7	126
8	173
9	230
10	298
11	378
12	471
13	578
14	700
15	838
16	993
17	1166
18	1358
19	1570
20	1803
21	2058
22	2336
23	2638
24	2965
25	3318
26	3698
27	4106
28	4543
29	5010
30	5508
31	6038
32	6601
33	7198
34	7830
35	8498
36	9203
37	9946
38	10728
39	11550
40	12413
41	13318
42	14266
43	15258
44	16295
45	17378

[4, 7, 18, 35, 58, 88, 126, 173, 230, 298, 378, 471, 578, 700, 838, 993, 1166, 1358, 1570, 1803, 2058, 2336, 2638, 2965, 3318, 3698, 4106, 4543, 5010, 5508, 6038, 6601, 7198, 7830, 8498, 9203, 9946, 10728, 11550, 12413, 13318, 14266, 15258, 16295, 17378]

cp's OEIS Frontend

A219498 Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X 4 array.

Table of values

List of values