A056735 - cp's OEIS frontend

A056735 Numbers k such that the base-3 expansions of 2^k and 2^(k+1) have the same number of 1's and the same number of digits.

n	a(n)
1	5
2	27
3	32
4	40
5	54
6	92
7	135
8	138
9	151
10	159
11	167
12	176
13	189
14	281
15	284
16	319
17	401
18	503
19	718
20	723
21	734
22	820
23	929
24	1035
25	1086
26	1127
27	1311
28	1341
29	1371
30	1693
31	1785
32	1869
33	1948
34	2010
35	2181
36	2408
37	2563
38	2771
39	2923
40	2983
41	3004
42	3007
43	3210
44	3213
45	3479
46	3527
47	4037

[5, 27, 32, 40, 54, 92, 135, 138, 151, 159, 167, 176, 189, 281, 284, 319, 401, 503, 718, 723, 734, 820, 929, 1035, 1086, 1127, 1311, 1341, 1371, 1693, 1785, 1869, 1948, 2010, 2181, 2408, 2563, 2771, 2923, 2983, 3004, 3007, 3210, 3213, 3479, 3527, 4037]

cp's OEIS Frontend

A056735 Numbers k such that the base-3 expansions of 2^k and 2^(k+1) have the same number of 1's and the same number of digits.

Table of values

List of values