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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 17 |
| 6 | 31 |
| 7 | 71 |
| 8 | 157 |
| 9 | 257 |
| 10 | 349 |
| 11 | 641 |
| 12 | 769 |
| 13 | 3613 |
| 14 | 16763 |
| 15 | 233417 |
| 16 | 9540317 |
| 17 | 7391145211 |
| 18 | 139697883473 |
| 19 | 163069191377 |
| 20 | 562142600387 |
| 21 | 108169189705333 |
| 22 | 1285424246556809 |
| 23 | 1050111983810669984101 |
| 24 | 17940124369540827523058309 |