A191129 - cp's OEIS frontend

A191129 Increasing sequence generated by these rules: a(1)=1, and if x is in a then 3x and 4x+1 are in a.

n	a(n)
1	1
2	3
3	5
4	9
5	13
6	15
7	21
8	27
9	37
10	39
11	45
12	53
13	61
14	63
15	81
16	85
17	109
18	111
19	117
20	135
21	149
22	157
23	159
24	181
25	183
26	189
27	213
28	243
29	245
30	253
31	255
32	325
33	327
34	333
35	341
36	351
37	405
38	437
39	445
40	447
41	469
42	471
43	477
44	541
45	543
46	549
47	567
48	597
49	629
50	637
51	639
52	725
53	729
54	733
55	735
56	757
57	759
58	765
59	853
60	973
61	975
62	981
63	999
64	1013
65	1021
66	1023
67	1053
68	1215
69	1301

[1, 3, 5, 9, 13, 15, 21, 27, 37, 39, 45, 53, 61, 63, 81, 85, 109, 111, 117, 135, 149, 157, 159, 181, 183, 189, 213, 243, 245, 253, 255, 325, 327, 333, 341, 351, 405, 437, 445, 447, 469, 471, 477, 541, 543, 549, 567, 597, 629, 637, 639, 725, 729, 733, 735, 757, 759, 765, 853, 973, 975, 981, 999, 1013, 1021, 1023, 1053, 1215, 1301]

cp's OEIS Frontend

A191129 Increasing sequence generated by these rules: a(1)=1, and if x is in a then 3x and 4x+1 are in a.

Table of values

List of values