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 | 497947063 |
| 2 | 498156823 |
| 3 | 500466467 |
| 4 | 500571541 |
| 5 | 501622637 |
| 6 | 502463719 |
| 7 | 502989653 |
| 8 | 504357421 |
| 9 | 504462677 |
| 10 | 505515529 |
| 11 | 505831553 |
| 12 | 507096409 |
| 13 | 507518117 |
| 14 | 508889657 |
| 15 | 511000957 |
| 16 | 511317701 |
| 17 | 511740071 |
| 18 | 512162507 |
| 19 | 512373811 |
| 20 | 513642043 |
| 21 | 517766653 |
| 22 | 518189963 |