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 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 9 |
| 5 | 45 |
| 6 | 49 |
| 7 | 101 |
| 8 | 153 |
| 9 | 1569 |
| 10 | 7163 |
| 11 | 7171 |
| 12 | 8162 |
| 13 | 18974 |
| 14 | 18976 |
| 15 | 24467 |
| 16 | 33490 |
| 17 | 60290 |
| 18 | 63046 |
| 19 | 359539 |
| 20 | 551494 |
| 21 | 1769418 |
| 22 | 2813691 |
| 23 | 4140392 |
| 24 | 4649729 |
| 25 | 6675935 |
| 26 | 9653486 |
| 27 | 59131393 |
| 28 | 158169499 |
| 29 | 243345386 |
| 30 | 588183781 |
| 31 | 1315697727 |
| 32 | 1387290631 |
| 33 | 1522472645 |
| 34 | 1879098546 |