A191128 - cp's OEIS frontend

A191128 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	9
4	11
5	27
6	33
7	35
8	43
9	81
10	99
11	105
12	107
13	129
14	131
15	139
16	171
17	243
18	297
19	315
20	321
21	323
22	387
23	393
24	395
25	417
26	419
27	427
28	513
29	515
30	523
31	555
32	683
33	729
34	891
35	945
36	963
37	969
38	971
39	1161
40	1179
41	1185
42	1187
43	1251
44	1257
45	1259
46	1281
47	1283
48	1291
49	1539
50	1545
51	1547
52	1569
53	1571
54	1579
55	1665
56	1667
57	1675
58	1707
59	2049
60	2051
61	2059
62	2091
63	2187

[1, 3, 9, 11, 27, 33, 35, 43, 81, 99, 105, 107, 129, 131, 139, 171, 243, 297, 315, 321, 323, 387, 393, 395, 417, 419, 427, 513, 515, 523, 555, 683, 729, 891, 945, 963, 969, 971, 1161, 1179, 1185, 1187, 1251, 1257, 1259, 1281, 1283, 1291, 1539, 1545, 1547, 1569, 1571, 1579, 1665, 1667, 1675, 1707, 2049, 2051, 2059, 2091, 2187]

cp's OEIS Frontend

A191128 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