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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A385157 Numbers k so that the binary expansion of 3^k starts with the binary expansion of k.

Table of values

n a(n)
1 1
2 2
3 3
4 9
5 27
6 65
7 95
8 123
9 163
10 303
11 451
12 597
13 760
14 1757
15 2546
16 2700
17 7142
18 25030
19 25719
20 25772
21 49105
22 61426
23 90981
24 107497
25 194210
26 659077
27 6732590
28 8513462
29 9344030
30 14549893
31 32276115
32 89912342
33 181720904
34 280120681
35 437484689
36 896754175
37 10625891495
38 30605576222

List of values

[1, 2, 3, 9, 27, 65, 95, 123, 163, 303, 451, 597, 760, 1757, 2546, 2700, 7142, 25030, 25719, 25772, 49105, 61426, 90981, 107497, 194210, 659077, 6732590, 8513462, 9344030, 14549893, 32276115, 89912342, 181720904, 280120681, 437484689, 896754175, 10625891495, 30605576222]