A345044 - cp's OEIS frontend

A345044 If n = Product p(k)^e(k) then a(n) = LCM (p(k)^e(k) - 1).

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

[1, 1, 2, 3, 4, 2, 6, 7, 8, 4, 10, 6, 12, 6, 4, 15, 16, 8, 18, 12, 6, 10, 22, 14, 24, 12, 26, 6, 28, 4, 30, 31, 10, 16, 12, 24, 36, 18, 12, 28, 40, 6, 42, 30, 8, 22, 46, 30, 48, 24, 16, 12, 52, 26, 20, 42, 18, 28, 58, 12, 60, 30, 24, 63, 12, 10, 66, 48, 22, 12, 70, 56, 72, 36, 24, 18, 30, 12, 78, 60, 80, 40, 82, 6, 16, 42]

cp's OEIS Frontend

A345044 If n = Product p(k)^e(k) then a(n) = LCM (p(k)^e(k) - 1).

Table of values

List of values

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

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

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