A356164 - cp's OEIS frontend

A356164 a(n) is the smallest positive k such that n divides k*A003961(k), where A003961 is fully multiplicative with a(p) = nextprime(p).

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

[1, 2, 2, 4, 3, 2, 5, 8, 4, 6, 7, 4, 11, 10, 3, 16, 13, 4, 17, 12, 10, 14, 19, 8, 9, 22, 8, 20, 23, 6, 29, 32, 14, 26, 5, 4, 31, 34, 22, 24, 37, 10, 41, 28, 6, 38, 43, 16, 25, 18, 26, 44, 47, 8, 21, 40, 34, 46, 53, 12, 59, 58, 20, 64, 33, 14, 61, 52, 38, 10, 67, 8, 71, 62, 9, 68, 7, 22, 73, 48, 16, 74, 79, 20, 39, 82]

cp's OEIS Frontend

A356164 a(n) is the smallest positive k such that n divides k*A003961(k), where A003961 is fully multiplicative with a(p) = nextprime(p).

Table of values

List of values

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

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

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