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 | 2 |
| 2 | 22 |
| 3 | 76478 |
| 4 | 210828 |
| 5 | 6968112 |
| 6 | 235763622 |
| 7 | 236323603452022 |
| 8 | 767175898056538 |
| 9 | 293061185503724726684202222622 |