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.
| n | a(n) |
|---|---|
| 1 | 83 |
| 2 | 101 |
| 3 | 181 |
| 4 | 809 |
| 5 | 811 |
| 6 | 823 |
| 7 | 829 |
| 8 | 853 |
| 9 | 859 |
| 10 | 883 |
| 11 | 887 |
| 12 | 1009 |
| 13 | 1031 |
| 14 | 1061 |
| 15 | 1301 |
| 16 | 1381 |
| 17 | 1409 |
| 18 | 1489 |
| 19 | 1709 |
| 20 | 1789 |
| 21 | 1831 |
| 22 | 1861 |
| 23 | 1889 |
| 24 | 1907 |
| 25 | 1987 |
| 26 | 2081 |
| 27 | 2083 |
| 28 | 2207 |
| 29 | 2287 |
| 30 | 2309 |
| 31 | 2389 |
| 32 | 2609 |
| 33 | 2689 |
| 34 | 2801 |
| 35 | 2803 |
| 36 | 3001 |
| 37 | 3023 |
| 38 | 3083 |
| 39 | 3803 |
| 40 | 3823 |
| 41 | 3881 |
| 42 | 4013 |
| 43 | 4703 |
| 44 | 4783 |