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 | 3 |
| 2 | 19 |
| 3 | 59 |
| 4 | 379 |
| 5 | 4603 |
| 6 | 1048571 |
| 7 | 44040187 |
| 8 | 7516192763 |
| 9 | 6614661952700411 |
| 10 | 13510798882111483 |
| 11 | 477381560501272571 |
| 12 | 16717361816799281147 |
| 13 | 4869940435459321626619 |
| 14 | 802726744224113772004900859 |