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 | 5 |
| 2 | 0 |
| 3 | 17 |
| 4 | 19 |
| 5 | 127 |
| 6 | 61 |
| 7 | 2 |
| 8 | 31 |
| 9 | 97 |
| 10 | 13 |
| 11 | 23 |
| 12 | 269 |
| 13 | 53 |
| 14 | 239 |
| 15 | 181 |
| 16 | 449 |
| 17 | 541 |
| 18 | 11 |
| 19 | 953 |
| 20 | 1741 |
| 21 | 179 |
| 22 | 1889 |
| 23 | 823 |
| 24 | 3209 |
| 25 | 13619 |
| 26 | 383 |
| 27 | 6971 |
| 28 | 10331 |
| 29 | 45959 |
| 30 | 13721 |