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 | 421 |
| 2 | 30661 |
| 3 | 50821 |
| 4 | 54421 |
| 5 | 130021 |
| 6 | 195541 |
| 7 | 423781 |
| 8 | 635461 |
| 9 | 1003381 |
| 10 | 1577941 |
| 11 | 1597381 |
| 12 | 1883941 |
| 13 | 2070421 |
| 14 | 2100661 |
| 15 | 2162581 |
| 16 | 2534821 |
| 17 | 2585941 |
| 18 | 2666581 |
| 19 | 2851621 |
| 20 | 3296581 |
| 21 | 3658021 |
| 22 | 3800581 |
| 23 | 4657381 |
| 24 | 4969141 |
| 25 | 5739541 |
| 26 | 5962741 |
| 27 | 6188821 |
| 28 | 6537301 |
| 29 | 6556741 |
| 30 | 7090261 |