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 | 1913 |
| 2 | 98737 |
| 3 | 35617 |
| 4 | 1290719 |
| 5 | 2030789 |
| 6 | 11117213 |
| 7 | 26742347 |
| 8 | 109161617 |
| 9 | 335440351 |
| 10 | 92801029 |
| 11 | 46006769 |
| 12 | 3121826537 |
| 13 | 5322398359 |
| 14 | 7425894361 |
| 15 | 6640450693 |
| 16 | 43693080679 |
| 17 | 53568812923 |
| 18 | 72880315369 |
| 19 | 271695323149 |
| 20 | 40830835151 |
| 21 | 38116957819 |
| 22 | 241564332377 |
| 23 | 351336577379 |
| 24 | 551763092297 |
| 25 | 923411678933 |