A201451 - cp's OEIS frontend

A201451 T(n,k)=Number of nXk 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	4
2	6
3	6
4	4
5	2
6	4
7	1
8	21
9	21
10	1
11	4
12	9
13	52
14	9
15	4
16	6
17	56
18	29
19	29
20	56
21	6
22	4
23	13
24	246
25	112
26	246
27	13
28	4
29	1
30	110
31	701
32	261
33	261
34	701
35	110
36	1
37	4
38	32
39	844
40	846
41	4544
42	846
43	844
44	32
45	4
46	6
47	198
48	426
49	1720
50	22324
51	22324
52	1720
53	426
54	198
55	6
56	4
57	41
58	2478
59	4193
60	45532
61	16334
62	45532
63	4193

[4, 6, 6, 4, 2, 4, 1, 21, 21, 1, 4, 9, 52, 9, 4, 6, 56, 29, 29, 56, 6, 4, 13, 246, 112, 246, 13, 4, 1, 110, 701, 261, 261, 701, 110, 1, 4, 32, 844, 846, 4544, 846, 844, 32, 4, 6, 198, 426, 1720, 22324, 22324, 1720, 426, 198, 6, 4, 41, 2478, 4193, 45532, 16334, 45532, 4193]

cp's OEIS Frontend

A201451 T(n,k)=Number of nXk 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