A134387 - cp's OEIS frontend

A134387 For the n in A102783, the least k such that n divides sigma_k(n).

n	a(n)
1	0
2	1
3	2
4	5
5	6
6	1
7	4
8	9
9	3
10	9
11	14
12	2
13	2
14	5
15	18
16	10
17	10
18	2
19	7
20	26
21	9
22	29
23	1
24	30
25	2
26	33
27	9
28	2
29	7
30	21
31	2
32	4
33	41
34	3
35	2
36	18
37	15
38	9
39	24
40	5
41	50
42	8
43	53
44	9
45	18
46	9
47	14
48	6
49	15
50	50
51	7
52	2
53	65
54	5
55	26
56	9
57	3
58	34
59	69
60	3
61	9
62	7
63	21
64	74
65	5
66	3
67	26
68	13
69	81
70	9
71	86
72	14
73	2
74	29
75	89
76	90
77	4
78	5
79	18
80	9
81	48
82	98
83	11
84	10
85	17
86	45

[0, 1, 2, 5, 6, 1, 4, 9, 3, 9, 14, 2, 2, 5, 18, 10, 10, 2, 7, 26, 9, 29, 1, 30, 2, 33, 9, 2, 7, 21, 2, 4, 41, 3, 2, 18, 15, 9, 24, 5, 50, 8, 53, 9, 18, 9, 14, 6, 15, 50, 7, 2, 65, 5, 26, 9, 3, 34, 69, 3, 9, 7, 21, 74, 5, 3, 26, 13, 81, 9, 86, 14, 2, 29, 89, 90, 4, 5, 18, 9, 48, 98, 11, 10, 17, 45]

cp's OEIS Frontend

A134387 For the n in A102783, the least k such that n divides sigma_k(n).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	5
5	6
6	1
7	4
8	9
9	3
10	9
11	14
12	2
13	2
14	5
15	18
16	10
17	10
18	2
19	7
20	26
21	9
22	29
23	1
24	30
25	2
26	33
27	9
28	2
29	7
30	21
31	2
32	4
33	41
34	3
35	2
36	18
37	15
38	9
39	24
40	5
41	50
42	8
43	53
44	9
45	18
46	9
47	14
48	6
49	15
50	50
51	7
52	2
53	65
54	5
55	26
56	9
57	3
58	34
59	69
60	3
61	9
62	7
63	21
64	74
65	5
66	3
67	26
68	13
69	81
70	9
71	86
72	14
73	2
74	29
75	89
76	90
77	4
78	5
79	18
80	9
81	48
82	98
83	11
84	10
85	17
86	45

n	a(n)
1	0
2	1
3	2
4	5
5	6
6	1
7	4
8	9
9	3
10	9
11	14
12	2
13	2
14	5
15	18
16	10
17	10
18	2
19	7
20	26
21	9
22	29
23	1
24	30
25	2
26	33
27	9
28	2
29	7
30	21
31	2
32	4
33	41
34	3
35	2
36	18
37	15
38	9
39	24
40	5
41	50
42	8
43	53
44	9
45	18
46	9
47	14
48	6
49	15
50	50
51	7
52	2
53	65
54	5
55	26
56	9
57	3
58	34
59	69
60	3
61	9
62	7
63	21
64	74
65	5
66	3
67	26
68	13
69	81
70	9
71	86
72	14
73	2
74	29
75	89
76	90
77	4
78	5
79	18
80	9
81	48
82	98
83	11
84	10
85	17
86	45

n	a(n)
1	0
2	1
3	2
4	5
5	6
6	1
7	4
8	9
9	3
10	9
11	14
12	2
13	2
14	5
15	18
16	10
17	10
18	2
19	7
20	26
21	9
22	29
23	1
24	30
25	2
26	33
27	9
28	2
29	7
30	21
31	2
32	4
33	41
34	3
35	2
36	18
37	15
38	9
39	24
40	5
41	50
42	8
43	53
44	9
45	18
46	9
47	14
48	6
49	15
50	50
51	7
52	2
53	65
54	5
55	26
56	9
57	3
58	34
59	69
60	3
61	9
62	7
63	21
64	74
65	5
66	3
67	26
68	13
69	81
70	9
71	86
72	14
73	2
74	29
75	89
76	90
77	4
78	5
79	18
80	9
81	48
82	98
83	11
84	10
85	17
86	45