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 | 18 |
| 2 | 115 |
| 3 | 458 |
| 4 | 1382 |
| 5 | 3579 |
| 6 | 7868 |
| 7 | 16224 |
| 8 | 30390 |
| 9 | 54294 |
| 10 | 90959 |
| 11 | 148204 |
| 12 | 229944 |
| 13 | 349580 |
| 14 | 513531 |
| 15 | 740976 |
| 16 | 1041114 |
| 17 | 1444791 |
| 18 | 1960021 |
| 19 | 2632938 |
| 20 | 3474205 |
| 21 | 4543704 |
| 22 | 5855409 |
| 23 | 7493700 |
| 24 | 9466310 |
| 25 | 11887746 |
| 26 | 14768802 |
| 27 | 18248930 |
| 28 | 22339541 |
| 29 | 27226927 |
| 30 | 32903121 |