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 | 715523 |
| 2 | 2651687 |
| 3 | 2882183 |
| 4 | 10032383 |
| 5 | 14924003 |
| 6 | 15640403 |
| 7 | 30278399 |
| 8 | 32140859 |
| 9 | 45698963 |
| 10 | 86727203 |
| 11 | 129210083 |
| 12 | 202553159 |
| 13 | 257330639 |
| 14 | 271938803 |
| 15 | 274831643 |
| 16 | 294056003 |
| 17 | 307856267 |
| 18 | 332164619 |
| 19 | 413008067 |
| 20 | 437894243 |
| 21 | 447564527 |
| 22 | 494832203 |
| 23 | 654796019 |
| 24 | 689552603 |
| 25 | 735119003 |