A334455 - cp's OEIS frontend

A334455 a(n) is unique integer k such that sigma(A051281(n)) = tau(A051281(n))^k (where sigma is the sum of divisors (A000203) and tau the number of divisors (A000005)), with a(1) = 1.

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

[1, 2, 3, 5, 7, 4, 5, 4, 6, 13, 5, 8, 17, 6, 9, 19, 10, 10, 7, 11, 11, 8, 8, 12, 12, 13, 9, 9, 7, 6, 15, 31, 8, 16, 11, 17, 12, 18, 18, 19, 13, 13, 13, 8, 10, 10, 11, 11, 22, 9, 12, 24, 10, 25, 17, 17, 13, 13, 14, 14, 14, 19, 12, 12, 15, 15, 61, 21, 16, 32, 13]

cp's OEIS Frontend

A334455 a(n) is unique integer k such that sigma(A051281(n)) = tau(A051281(n))^k (where sigma is the sum of divisors (A000203) and tau the number of divisors (A000005)), with a(1) = 1.

Table of values

List of values

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

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

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