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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.

A004678 Primes written in base 4.

Table of values

n a(n)
1 2
2 3
3 11
4 13
5 23
6 31
7 101
8 103
9 113
10 131
11 133
12 211
13 221
14 223
15 233
16 311
17 323
18 331
19 1003
20 1013
21 1021
22 1033
23 1103
24 1121
25 1201
26 1211
27 1213
28 1223
29 1231
30 1301
31 1333
32 2003
33 2021
34 2023
35 2111
36 2113
37 2131
38 2203
39 2213
40 2231
41 2303
42 2311
43 2333
44 3001
45 3011
46 3013

List of values

[2, 3, 11, 13, 23, 31, 101, 103, 113, 131, 133, 211, 221, 223, 233, 311, 323, 331, 1003, 1013, 1021, 1033, 1103, 1121, 1201, 1211, 1213, 1223, 1231, 1301, 1333, 2003, 2021, 2023, 2111, 2113, 2131, 2203, 2213, 2231, 2303, 2311, 2333, 3001, 3011, 3013]

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

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