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 | 10 |
| 2 | 10 |
| 3 | 41 |
| 4 | 295 |
| 5 | 159 |
| 6 | 4587 |
| 7 | 8476 |
| 8 | 33401 |
| 9 | 272191 |
| 10 | 128622 |
| 11 | 4546620 |
| 12 | 8993979 |
| 13 | 36684736 |
| 14 | 308393680 |
| 15 | 140796536 |
| 16 | 5332902231 |
| 17 | 10823034414 |
| 18 | 44858965451 |
| 19 | 380690718127 |
| 20 | 170636868384 |
| 21 | 6712393127261 |
| 22 | 13840721168804 |
| 23 | 57974199126361 |