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 | 0 |
| 2 | 1 |
| 3 | 10 |
| 4 | 100 |
| 5 | 1000 |
| 6 | 10000 |
| 7 | 39568 |
| 8 | 100000 |
| 9 | 395680 |
| 10 | 1000000 |
| 11 | 2114325 |
| 12 | 2751490 |
| 13 | 3246105 |
| 14 | 3956800 |
| 15 | 4356891 |
| 16 | 4768209 |
| 17 | 4926051 |
| 18 | 6274019 |
| 19 | 8021439 |
| 20 | 10000000 |
| 21 | 10267394 |
| 22 | 10352849 |
| 23 | 10368279 |
| 24 | 10456932 |
| 25 | 10478632 |
| 26 | 10489723 |
| 27 | 10489725 |
| 28 | 10527934 |
| 29 | 10567293 |
| 30 | 10639428 |
| 31 | 10827439 |