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 | 309 |
| 2 | 792 |
| 3 | 1627 |
| 4 | 3024 |
| 5 | 5313 |
| 6 | 8989 |
| 7 | 14767 |
| 8 | 23648 |
| 9 | 36997 |
| 10 | 56634 |
| 11 | 84939 |
| 12 | 124972 |
| 13 | 180609 |
| 14 | 256695 |
| 15 | 359215 |
| 16 | 495484 |
| 17 | 674357 |
| 18 | 906460 |
| 19 | 1204443 |
| 20 | 1583256 |
| 21 | 2060449 |
| 22 | 2656497 |
| 23 | 3395151 |
| 24 | 4303816 |
| 25 | 5413957 |
| 26 | 6761534 |
| 27 | 8387467 |
| 28 | 10338132 |
| 29 | 12665889 |
| 30 | 15429643 |