A140185 - cp's OEIS frontend

A140185 Number of connected groupoids (categories all of whose morphisms are invertible) with n morphisms.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	2
7	1
8	6
9	3
10	2
11	1
12	6
13	1
14	2
15	1
16	17
17	1
18	6
19	1
20	6
21	2
22	2
23	1
24	17
25	3
26	2
27	6
28	5
29	1
30	4
31	1
32	57
33	1
34	2
35	1
36	19
37	1
38	2
39	2
40	16
41	1
42	6
43	1
44	5
45	3
46	2
47	1
48	58
49	3
50	6
51	1
52	6
53	1
54	17
55	2
56	15
57	2
58	2
59	1
60	14
61	1
62	2
63	5
64	284
65	1
66	4
67	1
68	6
69	1
70	4
71	1
72	61
73	1
74	2
75	4
76	5
77	1
78	6
79	1
80	58
81	18
82	2
83	1
84	17
85	1
86	2
87	1
88	14
89	1
90	12
91	1
92	5
93	2

[1, 1, 1, 1, 3, 1, 2, 1, 6, 3, 2, 1, 6, 1, 2, 1, 17, 1, 6, 1, 6, 2, 2, 1, 17, 3, 2, 6, 5, 1, 4, 1, 57, 1, 2, 1, 19, 1, 2, 2, 16, 1, 6, 1, 5, 3, 2, 1, 58, 3, 6, 1, 6, 1, 17, 2, 15, 2, 2, 1, 14, 1, 2, 5, 284, 1, 4, 1, 6, 1, 4, 1, 61, 1, 2, 4, 5, 1, 6, 1, 58, 18, 2, 1, 17, 1, 2, 1, 14, 1, 12, 1, 5, 2]

cp's OEIS Frontend

A140185 Number of connected groupoids (categories all of whose morphisms are invertible) with n morphisms.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	2
7	1
8	6
9	3
10	2
11	1
12	6
13	1
14	2
15	1
16	17
17	1
18	6
19	1
20	6
21	2
22	2
23	1
24	17
25	3
26	2
27	6
28	5
29	1
30	4
31	1
32	57
33	1
34	2
35	1
36	19
37	1
38	2
39	2
40	16
41	1
42	6
43	1
44	5
45	3
46	2
47	1
48	58
49	3
50	6
51	1
52	6
53	1
54	17
55	2
56	15
57	2
58	2
59	1
60	14
61	1
62	2
63	5
64	284
65	1
66	4
67	1
68	6
69	1
70	4
71	1
72	61
73	1
74	2
75	4
76	5
77	1
78	6
79	1
80	58
81	18
82	2
83	1
84	17
85	1
86	2
87	1
88	14
89	1
90	12
91	1
92	5
93	2

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	2
7	1
8	6
9	3
10	2
11	1
12	6
13	1
14	2
15	1
16	17
17	1
18	6
19	1
20	6
21	2
22	2
23	1
24	17
25	3
26	2
27	6
28	5
29	1
30	4
31	1
32	57
33	1
34	2
35	1
36	19
37	1
38	2
39	2
40	16
41	1
42	6
43	1
44	5
45	3
46	2
47	1
48	58
49	3
50	6
51	1
52	6
53	1
54	17
55	2
56	15
57	2
58	2
59	1
60	14
61	1
62	2
63	5
64	284
65	1
66	4
67	1
68	6
69	1
70	4
71	1
72	61
73	1
74	2
75	4
76	5
77	1
78	6
79	1
80	58
81	18
82	2
83	1
84	17
85	1
86	2
87	1
88	14
89	1
90	12
91	1
92	5
93	2

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	2
7	1
8	6
9	3
10	2
11	1
12	6
13	1
14	2
15	1
16	17
17	1
18	6
19	1
20	6
21	2
22	2
23	1
24	17
25	3
26	2
27	6
28	5
29	1
30	4
31	1
32	57
33	1
34	2
35	1
36	19
37	1
38	2
39	2
40	16
41	1
42	6
43	1
44	5
45	3
46	2
47	1
48	58
49	3
50	6
51	1
52	6
53	1
54	17
55	2
56	15
57	2
58	2
59	1
60	14
61	1
62	2
63	5
64	284
65	1
66	4
67	1
68	6
69	1
70	4
71	1
72	61
73	1
74	2
75	4
76	5
77	1
78	6
79	1
80	58
81	18
82	2
83	1
84	17
85	1
86	2
87	1
88	14
89	1
90	12
91	1
92	5
93	2