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 | 8179718 |
| 2 | 8615168 |
| 3 | 209484902 |
| 4 | 303272303 |
| 5 | 342272243 |
| 6 | 354050453 |
| 7 | 378707873 |
| 8 | 533373335 |
| 9 | 631363136 |
| 10 | 661525166 |
| 11 | 668787866 |
| 12 | 792545297 |
| 13 | 807989708 |
| 14 | 964666469 |
| 15 | 12792529721 |
| 16 | 14435153441 |
| 17 | 17755355771 |
| 18 | 20160806102 |
| 19 | 20175857102 |