cp's OEIS Frontend

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.

A078830 Numbers having in binary representation exactly one binary substring representing a prime.

Table of values

n a(n)
1 2
2 3
3 4
4 8
5 9
6 16
7 32
8 33
9 64
10 65
11 128
12 129
13 256
14 512
15 513
16 1024
17 1025
18 2048
19 2049
20 4096
21 4097
22 8192
23 8193
24 16384
25 16385
26 32768
27 32769
28 65536
29 131072
30 131073
31 262144
32 262145
33 524288
34 524289
35 1048576
36 1048577
37 2097152
38 2097153
39 4194304
40 4194305

List of values

[2, 3, 4, 8, 9, 16, 32, 33, 64, 65, 128, 129, 256, 512, 513, 1024, 1025, 2048, 2049, 4096, 4097, 8192, 8193, 16384, 16385, 32768, 32769, 65536, 131072, 131073, 262144, 262145, 524288, 524289, 1048576, 1048577, 2097152, 2097153, 4194304, 4194305]