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 | 27664033 |
| 2 | 46672291 |
| 3 | 102690901 |
| 4 | 130944133 |
| 5 | 517697641 |
| 6 | 545670533 |
| 7 | 801123451 |
| 8 | 855073301 |
| 9 | 970355431 |
| 10 | 1235188597 |
| 11 | 3273820903 |
| 12 | 3841324339 |
| 13 | 3924969689 |
| 14 | 4982970241 |
| 15 | 5130186571 |
| 16 | 5242624003 |
| 17 | 6335800411 |
| 18 | 7045248121 |
| 19 | 7279379941 |
| 20 | 7825642579 |