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 | 121 |
| 2 | 163 |
| 3 | 235 |
| 4 | 562 |
| 5 | 1090 |
| 6 | 1111 |
| 7 | 3280 |
| 8 | 5687 |
| 9 | 15187 |
| 10 | 15818 |
| 11 | 15934 |
| 12 | 24196 |
| 13 | 41674 |
| 14 | 80062 |
| 15 | 167147 |
| 16 | 192629 |
| 17 | 292154 |
| 18 | 2778319 |
| 19 | 3532195 |
| 20 | 7906844 |
| 21 | 58400437 |
| 22 | 248878534 |