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.

A287018 Primes that can be generated by the concatenation in base 2, in ascending order, of two consecutive integers read in base 10.

Table of values

n a(n)
1 11
2 37
3 137
4 239
5 661
6 727
7 859
8 991
9 2081
10 2341
11 2731
12 2861
13 3121
14 3251
15 3511
16 9547
17 10321
18 10837
19 11353
20 13159
21 13417
22 13933
23 14449
24 15739
25 34439
26 40093
27 43177
28 43691
29 45233
30 46261
31 60139
32 61681
33 63737
34 135433
35 138511
36 139537
37 144667
38 146719
39 151849
40 154927

List of values

[11, 37, 137, 239, 661, 727, 859, 991, 2081, 2341, 2731, 2861, 3121, 3251, 3511, 9547, 10321, 10837, 11353, 13159, 13417, 13933, 14449, 15739, 34439, 40093, 43177, 43691, 45233, 46261, 60139, 61681, 63737, 135433, 138511, 139537, 144667, 146719, 151849, 154927]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.