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 | 22 |
| 2 | 484 |
| 3 | 1690 |
| 4 | 6709 |
| 5 | 36426 |
| 6 | 138017 |
| 7 | 493471 |
| 8 | 1980774 |
| 9 | 7259428 |
| 10 | 25276248 |
| 11 | 91512891 |
| 12 | 323438636 |
| 13 | 1108858657 |
| 14 | 3843873169 |
| 15 | 13238517646 |
| 16 | 44841691184 |
| 17 | 152090405602 |
| 18 | 514775385341 |
| 19 | 1726736775278 |
| 20 | 5782478579121 |
| 21 | 19341544402175 |
| 22 | 64371828667182 |