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.

A287300 Primes that can be generated by the concatenation in base 3, in ascending order, of two consecutive integers read in base 10.

Table of values

n a(n)
1 5
2 31
3 41
4 61
5 71
6 281
7 337
8 421
9 449
10 617
11 673
12 701
13 2297
14 2543
15 2707
16 2789
17 2953
18 3527
19 3691
20 4019
21 5003
22 5167
23 5413
24 5659
25 5741
26 5987
27 6151
28 6397
29 21961
30 22937
31 23669
32 24889
33 25621
34 26597
35 27329
36 27817
37 28549
38 28793
39 30013
40 31477
41 31721
42 32941
43 34649
44 35381

List of values

[5, 31, 41, 61, 71, 281, 337, 421, 449, 617, 673, 701, 2297, 2543, 2707, 2789, 2953, 3527, 3691, 4019, 5003, 5167, 5413, 5659, 5741, 5987, 6151, 6397, 21961, 22937, 23669, 24889, 25621, 26597, 27329, 27817, 28549, 28793, 30013, 31477, 31721, 32941, 34649, 35381]