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 | 3 |
| 3 | 7 |
| 4 | 8 |
| 5 | 212 |
| 6 | 264 |
| 7 | 2236 |
| 8 | 3114 |
| 9 | 3157 |
| 10 | 31614 |
| 11 | 68187 |
| 12 | 254842 |
| 13 | 80434114 |
| 14 | 263527313 |
| 15 | 3073591864 |
| 16 | 6670791907 |
| 17 | 21134016762 |
| 18 | 21610059386 |
| 19 | 97312381892 |
| 20 | 22237232291063 |
| 21 | 999997323321167445187 |
| 22 | 22236561446627600040614 |
| 23 | 9718263579193026119075264 |