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 | 1307029927 |
| 2 | 2116078861 |
| 3 | 2665774183 |
| 4 | 2809370965 |
| 5 | 4108623302 |
| 6 | 4493733751 |
| 7 | 5333670902 |
| 8 | 5497285284 |
| 9 | 5679049670 |
| 10 | 8209799382 |
| 11 | 9665369455 |
| 12 | 9708528486 |
| 13 | 10353426151 |
| 14 | 10606564910 |
| 15 | 12777118615 |
| 16 | 12795699493 |
| 17 | 13660293367 |
| 18 | 13847206214 |
| 19 | 14351020663 |
| 20 | 15735895813 |
| 21 | 17912257013 |