A348974 - cp's OEIS frontend

A348974 Denominator of ratio A129283(n) / A003959(n), where A003959 is multiplicative with a(p^e) = (p+1)^e and A129283(n) is sum of n and its arithmetic derivative.

n	a(n)
1	1
2	1
3	1
4	9
5	1
6	12
7	1
8	27
9	16
10	18
11	1
12	9
13	1
14	24
15	24
16	27
17	1
18	16
19	1
20	27
21	32
22	36
23	1
24	27
25	36
26	42
27	32
28	6
29	1
30	72
31	1
32	243
33	48
34	54
35	48
36	3
37	1
38	60
39	56
40	3
41	1
42	96
43	1
44	27
45	8
46	72
47	1
48	81
49	64
50	108
51	72
52	7
53	1
54	64
55	72
56	54
57	80
58	90
59	1
60	27
61	1
62	96
63	64
64	729
65	84
66	144
67	1
68	81
69	96
70	48
71	1
72	36
73	1
74	114
75	72
76	15
77	96
78	168
79	1
80	243
81	256
82	126
83	1
84	18
85	108

[1, 1, 1, 9, 1, 12, 1, 27, 16, 18, 1, 9, 1, 24, 24, 27, 1, 16, 1, 27, 32, 36, 1, 27, 36, 42, 32, 6, 1, 72, 1, 243, 48, 54, 48, 3, 1, 60, 56, 3, 1, 96, 1, 27, 8, 72, 1, 81, 64, 108, 72, 7, 1, 64, 72, 54, 80, 90, 1, 27, 1, 96, 64, 729, 84, 144, 1, 81, 96, 48, 1, 36, 1, 114, 72, 15, 96, 168, 1, 243, 256, 126, 1, 18, 108]

cp's OEIS Frontend

A348974 Denominator of ratio A129283(n) / A003959(n), where A003959 is multiplicative with a(p^e) = (p+1)^e and A129283(n) is sum of n and its arithmetic derivative.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	9
5	1
6	12
7	1
8	27
9	16
10	18
11	1
12	9
13	1
14	24
15	24
16	27
17	1
18	16
19	1
20	27
21	32
22	36
23	1
24	27
25	36
26	42
27	32
28	6
29	1
30	72
31	1
32	243
33	48
34	54
35	48
36	3
37	1
38	60
39	56
40	3
41	1
42	96
43	1
44	27
45	8
46	72
47	1
48	81
49	64
50	108
51	72
52	7
53	1
54	64
55	72
56	54
57	80
58	90
59	1
60	27
61	1
62	96
63	64
64	729
65	84
66	144
67	1
68	81
69	96
70	48
71	1
72	36
73	1
74	114
75	72
76	15
77	96
78	168
79	1
80	243
81	256
82	126
83	1
84	18
85	108

n	a(n)
1	1
2	1
3	1
4	9
5	1
6	12
7	1
8	27
9	16
10	18
11	1
12	9
13	1
14	24
15	24
16	27
17	1
18	16
19	1
20	27
21	32
22	36
23	1
24	27
25	36
26	42
27	32
28	6
29	1
30	72
31	1
32	243
33	48
34	54
35	48
36	3
37	1
38	60
39	56
40	3
41	1
42	96
43	1
44	27
45	8
46	72
47	1
48	81
49	64
50	108
51	72
52	7
53	1
54	64
55	72
56	54
57	80
58	90
59	1
60	27
61	1
62	96
63	64
64	729
65	84
66	144
67	1
68	81
69	96
70	48
71	1
72	36
73	1
74	114
75	72
76	15
77	96
78	168
79	1
80	243
81	256
82	126
83	1
84	18
85	108

n	a(n)
1	1
2	1
3	1
4	9
5	1
6	12
7	1
8	27
9	16
10	18
11	1
12	9
13	1
14	24
15	24
16	27
17	1
18	16
19	1
20	27
21	32
22	36
23	1
24	27
25	36
26	42
27	32
28	6
29	1
30	72
31	1
32	243
33	48
34	54
35	48
36	3
37	1
38	60
39	56
40	3
41	1
42	96
43	1
44	27
45	8
46	72
47	1
48	81
49	64
50	108
51	72
52	7
53	1
54	64
55	72
56	54
57	80
58	90
59	1
60	27
61	1
62	96
63	64
64	729
65	84
66	144
67	1
68	81
69	96
70	48
71	1
72	36
73	1
74	114
75	72
76	15
77	96
78	168
79	1
80	243
81	256
82	126
83	1
84	18
85	108