A281856 - cp's OEIS frontend

A281856 One fourth of the order of the abelian non-cyclic groups (Z/A033949(n)*Z)^x.

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

[1, 1, 2, 2, 2, 3, 2, 3, 2, 4, 5, 6, 3, 6, 4, 3, 5, 6, 4, 8, 6, 10, 6, 9, 4, 9, 8, 12, 5, 8, 11, 6, 6, 10, 9, 15, 6, 8, 6, 16, 14, 10, 6, 18, 11, 15, 18, 8, 15, 10, 8, 12, 12, 9, 10, 18, 12, 9, 22, 14, 18, 24, 8, 20, 15, 9, 16, 21, 12, 10, 27, 18, 16, 11, 12, 23]

cp's OEIS Frontend

A281856 One fourth of the order of the abelian non-cyclic groups (Z/A033949(n)*Z)^x.

Table of values

List of values

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

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

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