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.

A287303 Primes that can be generated by the concatenation in base 4, in descending order, of two consecutive integers read in base 10.

Table of values

n a(n)
1 19
2 101
3 271
4 1429
5 1559
6 1949
7 2339
8 2729
9 3119
10 3769
11 4159
12 17989
13 18503
14 19531
15 21587
16 24671
17 27241
18 29297
19 30839
20 32381
21 33409
22 33923
23 36493
24 44203
25 47287
26 51913
27 55511
28 64763
29 286999
30 289049
31 293149
32 295199
33 301349
34 305449
35 323899
36 332099
37 336199
38 350549
39 375149

List of values

[19, 101, 271, 1429, 1559, 1949, 2339, 2729, 3119, 3769, 4159, 17989, 18503, 19531, 21587, 24671, 27241, 29297, 30839, 32381, 33409, 33923, 36493, 44203, 47287, 51913, 55511, 64763, 286999, 289049, 293149, 295199, 301349, 305449, 323899, 332099, 336199, 350549, 375149]