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 | 577 |
| 2 | 1297 |
| 3 | 7057 |
| 4 | 14401 |
| 5 | 41617 |
| 6 | 90001 |
| 7 | 147457 |
| 8 | 156817 |
| 9 | 484417 |
| 10 | 746497 |
| 11 | 1299601 |
| 12 | 1742401 |
| 13 | 2702737 |
| 14 | 2944657 |
| 15 | 4260097 |
| 16 | 5308417 |
| 17 | 6051601 |
| 18 | 6780817 |
| 19 | 8785297 |
| 20 | 10497601 |
| 21 | 14107537 |
| 22 | 15210001 |
| 23 | 16451137 |
| 24 | 17438977 |
| 25 | 18147601 |
| 26 | 29419777 |
| 27 | 38937601 |
| 28 | 45968401 |
| 29 | 51322897 |
| 30 | 56791297 |