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 | 49799889 |
| 2 | 60975410 |
| 3 | 92017202 |
| 4 | 202536181 |
| 5 | 202536182 |
| 6 | 249221990 |
| 7 | 284007602 |
| 8 | 314623105 |
| 9 | 326857970 |
| 10 | 331212422 |
| 11 | 405263521 |
| 12 | 421980949 |
| 13 | 476360643 |
| 14 | 506580949 |
| 15 | 520309427 |
| 16 | 532896662 |
| 17 | 572636822 |
| 18 | 666966962 |
| 19 | 703401061 |
| 20 | 749908502 |
| 21 | 816533270 |