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 | 3 |
| 2 | 3 |
| 3 | 5 |
| 4 | 17 |
| 5 | 17 |
| 6 | 5 |
| 7 | 83 |
| 8 | 503 |
| 9 | 71 |
| 10 | 101 |
| 11 | 947 |
| 12 | 59 |
| 13 | 569 |
| 14 | 1787 |
| 15 | 353 |
| 16 | 17093 |
| 17 | 2801 |
| 18 | 3359 |
| 19 | 25097 |
| 20 | 9323 |
| 21 | 491837 |
| 22 | 97367 |
| 23 | 209567 |
| 24 | 21221 |
| 25 | 273857 |
| 26 | 462947 |
| 27 | 216719 |