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 | 129 |
| 2 | 2186 |
| 3 | 32318 |
| 4 | 82681 |
| 5 | 758546 |
| 6 | 6826318 |
| 7 | 21444846 |
| 8 | 44702922 |
| 9 | 178042767 |
| 10 | 393747520 |
| 11 | 1548729003 |
| 12 | 4741156070 |
| 13 | 2203471139 |
| 14 | 3242334565 |
| 15 | 16609835418 |
| 16 | 114175761515 |
| 17 | 30338830655 |
| 18 | 20115543070 |
| 19 | 114457309347 |
| 20 | 370162324382 |
| 21 | 57877856575 |
| 22 | 12692933349 |
| 23 | 280646695286 |
| 24 | 127762186531 |