A226661 - cp's OEIS frontend

A226661 Smallest positive integer k (or 0 if no such k) with a primitive cycle of positive integers, exactly n of which are odd, under iteration by the Collatz-like 3x+k function.

n	a(n)
1	1
2	7
3	5
4	25
5	13
6	59
7	47
8	11
9	29
10	145
11	59
12	31
13	115
14	79
15	13
16	47
17	5
18	17
19	125
20	79
21	263
22	49
23	169
24	91
25	191
26	23
27	601
28	323
29	193
30	109
31	311
32	73
33	149
34	265
35	571
36	95
37	491
38	697
39	695
40	137
41	29
42	119
43	383
44	575
45	283
46	121
47	263
48	233
49	163
50	193
51	283
52	479
53	107
54	203
55	437
56	85
57	491
58	349

[1, 7, 5, 25, 13, 59, 47, 11, 29, 145, 59, 31, 115, 79, 13, 47, 5, 17, 125, 79, 263, 49, 169, 91, 191, 23, 601, 323, 193, 109, 311, 73, 149, 265, 571, 95, 491, 697, 695, 137, 29, 119, 383, 575, 283, 121, 263, 233, 163, 193, 283, 479, 107, 203, 437, 85, 491, 349]

cp's OEIS Frontend

A226661 Smallest positive integer k (or 0 if no such k) with a primitive cycle of positive integers, exactly n of which are odd, under iteration by the Collatz-like 3x+k function.

Table of values

List of values

n	a(n)
1	1
2	7
3	5
4	25
5	13
6	59
7	47
8	11
9	29
10	145
11	59
12	31
13	115
14	79
15	13
16	47
17	5
18	17
19	125
20	79
21	263
22	49
23	169
24	91
25	191
26	23
27	601
28	323
29	193
30	109
31	311
32	73
33	149
34	265
35	571
36	95
37	491
38	697
39	695
40	137
41	29
42	119
43	383
44	575
45	283
46	121
47	263
48	233
49	163
50	193
51	283
52	479
53	107
54	203
55	437
56	85
57	491
58	349

n	a(n)
1	1
2	7
3	5
4	25
5	13
6	59
7	47
8	11
9	29
10	145
11	59
12	31
13	115
14	79
15	13
16	47
17	5
18	17
19	125
20	79
21	263
22	49
23	169
24	91
25	191
26	23
27	601
28	323
29	193
30	109
31	311
32	73
33	149
34	265
35	571
36	95
37	491
38	697
39	695
40	137
41	29
42	119
43	383
44	575
45	283
46	121
47	263
48	233
49	163
50	193
51	283
52	479
53	107
54	203
55	437
56	85
57	491
58	349

n	a(n)
1	1
2	7
3	5
4	25
5	13
6	59
7	47
8	11
9	29
10	145
11	59
12	31
13	115
14	79
15	13
16	47
17	5
18	17
19	125
20	79
21	263
22	49
23	169
24	91
25	191
26	23
27	601
28	323
29	193
30	109
31	311
32	73
33	149
34	265
35	571
36	95
37	491
38	697
39	695
40	137
41	29
42	119
43	383
44	575
45	283
46	121
47	263
48	233
49	163
50	193
51	283
52	479
53	107
54	203
55	437
56	85
57	491
58	349