A226607 - cp's OEIS frontend

A226607 Irregular array read by rows in which row floor(k/3)+1, where gcd(k,6)=1, lists the smallest elements, in ascending order, of conjecturally all primitive cycles of positive integers under iteration by the 3x+k function.

n	a(n)
1	1
2	1
3	19
4	23
5	187
6	347
7	5
8	1
9	13
10	1
11	131
12	211
13	227
14	251
15	259
16	283
17	287
18	319
19	1
20	23
21	5
22	5
23	7
24	41
25	7
26	17
27	1
28	11
29	3811
30	7055
31	13
32	13
33	17
34	19
35	23
36	29
37	1
38	1
39	5
40	25
41	65
42	73
43	85
44	89
45	101
46	25
47	103
48	1
49	7
50	41
51	1
52	133
53	149
54	181
55	185
56	217
57	221
58	1
59	235
60	19
61	17
62	29
63	31
64	2585
65	2809
66	3985
67	4121
68	4409
69	5
70	19
71	47
72	1
73	1
74	7
75	233
76	265

[1, 1, 19, 23, 187, 347, 5, 1, 13, 1, 131, 211, 227, 251, 259, 283, 287, 319, 1, 23, 5, 5, 7, 41, 7, 17, 1, 11, 3811, 7055, 13, 13, 17, 19, 23, 29, 1, 1, 5, 25, 65, 73, 85, 89, 101, 25, 103, 1, 7, 41, 1, 133, 149, 181, 185, 217, 221, 1, 235, 19, 17, 29, 31, 2585, 2809, 3985, 4121, 4409, 5, 19, 47, 1, 1, 7, 233, 265]

cp's OEIS Frontend

A226607 Irregular array read by rows in which row floor(k/3)+1, where gcd(k,6)=1, lists the smallest elements, in ascending order, of conjecturally all primitive cycles of positive integers under iteration by the 3x+k function.

Table of values

List of values