A201445 - cp's OEIS frontend

A201445 Number of n X 2 0..3 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

n	a(n)
1	6
2	2
3	21
4	9
5	56
6	13
7	110
8	32
9	198
10	41
11	315
12	78
13	480
14	94
15	684
16	155
17	950
18	180
19	1265
20	271
21	1656
22	307
23	2106
24	434
25	2646
26	483
27	3255
28	652
29	3968
30	716
31	4760
32	933
33	5670
34	1014
35	6669
36	1285
37	7800
38	1385
39	9030
40	1716
41	10406
42	1837
43	11891
44	2234
45	13536
46	2378
47	15300
48	2847

[6, 2, 21, 9, 56, 13, 110, 32, 198, 41, 315, 78, 480, 94, 684, 155, 950, 180, 1265, 271, 1656, 307, 2106, 434, 2646, 483, 3255, 652, 3968, 716, 4760, 933, 5670, 1014, 6669, 1285, 7800, 1385, 9030, 1716, 10406, 1837, 11891, 2234, 13536, 2378, 15300, 2847]

cp's OEIS Frontend

A201445 Number of n X 2 0..3 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

Table of values

List of values