A133721 - cp's OEIS frontend

A133721 Triangle read by rows: T(m,n) = number of n-balanced and minimal labeled covers of a finite set of m unlabeled elements (m >= 1, 1 <= n <= m).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	3
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	6
24	7
25	1
26	1
27	1
28	1
29	1
30	1
31	3
32	1
33	1
34	1
35	1
36	1
37	1
38	10
39	1
40	13
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	25
49	7
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	15
58	6
59	3
60	22
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	1
69	1
70	1
71	13
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	21
81	65
82	81
83	7
84	34
85	1
86	1
87	1
88	1
89	1
90	1
91	1
92	1
93	1
94	10

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 7, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 10, 1, 13, 1, 1, 1, 1, 1, 1, 1, 25, 7, 1, 1, 1, 1, 1, 1, 1, 15, 6, 3, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 13, 1, 1, 1, 1, 1, 1, 1, 1, 21, 65, 81, 7, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10]

cp's OEIS Frontend

A133721 Triangle read by rows: T(m,n) = number of n-balanced and minimal labeled covers of a finite set of m unlabeled elements (m >= 1, 1 <= n <= m).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	3
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	6
24	7
25	1
26	1
27	1
28	1
29	1
30	1
31	3
32	1
33	1
34	1
35	1
36	1
37	1
38	10
39	1
40	13
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	25
49	7
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	15
58	6
59	3
60	22
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	1
69	1
70	1
71	13
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	21
81	65
82	81
83	7
84	34
85	1
86	1
87	1
88	1
89	1
90	1
91	1
92	1
93	1
94	10

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	3
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	6
24	7
25	1
26	1
27	1
28	1
29	1
30	1
31	3
32	1
33	1
34	1
35	1
36	1
37	1
38	10
39	1
40	13
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	25
49	7
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	15
58	6
59	3
60	22
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	1
69	1
70	1
71	13
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	21
81	65
82	81
83	7
84	34
85	1
86	1
87	1
88	1
89	1
90	1
91	1
92	1
93	1
94	10

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	3
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	6
24	7
25	1
26	1
27	1
28	1
29	1
30	1
31	3
32	1
33	1
34	1
35	1
36	1
37	1
38	10
39	1
40	13
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	25
49	7
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	15
58	6
59	3
60	22
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	1
69	1
70	1
71	13
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	21
81	65
82	81
83	7
84	34
85	1
86	1
87	1
88	1
89	1
90	1
91	1
92	1
93	1
94	10