A056734 - cp's OEIS frontend

A056734 Positive numbers k such that, in base 3, 2^k and 2^(k+1) have the same number of digits and the same number of 0's.

n	a(n)
1	2
2	5
3	8
4	10
5	18
6	21
7	27
8	29
9	35
10	40
11	62
12	67
13	83
14	92
15	138
16	146
17	165
18	184
19	298
20	346
21	428
22	487
23	666
24	750
25	785
26	929
27	937
28	1064
29	1086
30	1156
31	1162
32	1240
33	1614
34	1706
35	1739
36	1788
37	2327
38	2389
39	2533
40	2649
41	2937
42	3240
43	3403
44	3489
45	3549
46	3619
47	3693
48	3817
49	3866
50	4175

[2, 5, 8, 10, 18, 21, 27, 29, 35, 40, 62, 67, 83, 92, 138, 146, 165, 184, 298, 346, 428, 487, 666, 750, 785, 929, 937, 1064, 1086, 1156, 1162, 1240, 1614, 1706, 1739, 1788, 2327, 2389, 2533, 2649, 2937, 3240, 3403, 3489, 3549, 3619, 3693, 3817, 3866, 4175]

cp's OEIS Frontend

A056734 Positive numbers k such that, in base 3, 2^k and 2^(k+1) have the same number of digits and the same number of 0's.

Table of values

List of values