A130889 - cp's OEIS frontend

A130889 a(n) = smallest k such that A000959(n+1) = A000959(n) + (A000959(n) mod k), or 0 if no such k exists.

n	a(n)
1	0
2	0
3	5
4	5
5	11
6	9
7	17
8	19
9	29
10	29
11	31
12	37
13	47
14	13
15	59
16	5
17	5
18	71
19	71
20	71
21	9
22	29
23	31
24	9
25	107
26	103
27	5
28	5
29	131
30	43
31	131
32	11
33	5
34	157
35	167
36	51
37	5
38	191
39	7
40	197
41	199
42	29
43	5
44	43
45	227
46	233
47	233
48	223
49	257
50	15
51	9
52	263
53	281
54	281
55	281
56	97
57	13
58	59
59	317
60	7
61	17
62	17
63	47
64	11
65	353
66	71
67	349
68	379
69	389

[0, 0, 5, 5, 11, 9, 17, 19, 29, 29, 31, 37, 47, 13, 59, 5, 5, 71, 71, 71, 9, 29, 31, 9, 107, 103, 5, 5, 131, 43, 131, 11, 5, 157, 167, 51, 5, 191, 7, 197, 199, 29, 5, 43, 227, 233, 233, 223, 257, 15, 9, 263, 281, 281, 281, 97, 13, 59, 317, 7, 17, 17, 47, 11, 353, 71, 349, 379, 389]

cp's OEIS Frontend

A130889 a(n) = smallest k such that A000959(n+1) = A000959(n) + (A000959(n) mod k), or 0 if no such k exists.

Table of values

List of values

n	a(n)
1	0
2	0
3	5
4	5
5	11
6	9
7	17
8	19
9	29
10	29
11	31
12	37
13	47
14	13
15	59
16	5
17	5
18	71
19	71
20	71
21	9
22	29
23	31
24	9
25	107
26	103
27	5
28	5
29	131
30	43
31	131
32	11
33	5
34	157
35	167
36	51
37	5
38	191
39	7
40	197
41	199
42	29
43	5
44	43
45	227
46	233
47	233
48	223
49	257
50	15
51	9
52	263
53	281
54	281
55	281
56	97
57	13
58	59
59	317
60	7
61	17
62	17
63	47
64	11
65	353
66	71
67	349
68	379
69	389

n	a(n)
1	0
2	0
3	5
4	5
5	11
6	9
7	17
8	19
9	29
10	29
11	31
12	37
13	47
14	13
15	59
16	5
17	5
18	71
19	71
20	71
21	9
22	29
23	31
24	9
25	107
26	103
27	5
28	5
29	131
30	43
31	131
32	11
33	5
34	157
35	167
36	51
37	5
38	191
39	7
40	197
41	199
42	29
43	5
44	43
45	227
46	233
47	233
48	223
49	257
50	15
51	9
52	263
53	281
54	281
55	281
56	97
57	13
58	59
59	317
60	7
61	17
62	17
63	47
64	11
65	353
66	71
67	349
68	379
69	389

n	a(n)
1	0
2	0
3	5
4	5
5	11
6	9
7	17
8	19
9	29
10	29
11	31
12	37
13	47
14	13
15	59
16	5
17	5
18	71
19	71
20	71
21	9
22	29
23	31
24	9
25	107
26	103
27	5
28	5
29	131
30	43
31	131
32	11
33	5
34	157
35	167
36	51
37	5
38	191
39	7
40	197
41	199
42	29
43	5
44	43
45	227
46	233
47	233
48	223
49	257
50	15
51	9
52	263
53	281
54	281
55	281
56	97
57	13
58	59
59	317
60	7
61	17
62	17
63	47
64	11
65	353
66	71
67	349
68	379
69	389