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 | 163 |
| 2 | 409333 |
| 3 | 1483087 |
| 4 | 1867783 |
| 5 | 222640867 |
| 6 | 258001837 |
| 7 | 371305267 |
| 8 | 748576753 |
| 9 | 828497443 |
| 10 | 1235054137 |
| 11 | 2059599067 |
| 12 | 5767711867 |
| 13 | 5929920613 |
| 14 | 8965599883 |
| 15 | 9055004953 |
| 16 | 9170160343 |
| 17 | 9655686727 |
| 18 | 9670115977 |
| 19 | 9671300983 |
| 20 | 10646399437 |
| 21 | 12253792783 |
| 22 | 12627473917 |
| 23 | 19635778453 |