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 | 100000 |
| 8 | 1000000 |
| 9 | 1380796 |
| 10 | 10000000 |
| 11 | 10423786 |
| 12 | 10489362 |
| 13 | 10532689 |
| 14 | 10689247 |
| 15 | 10743958 |
| 16 | 12645980 |
| 17 | 13042697 |
| 18 | 13674925 |
| 19 | 13807960 |
| 20 | 14205893 |
| 21 | 14857690 |
| 22 | 16892043 |
| 23 | 17284360 |
| 24 | 17983256 |
| 25 | 19046537 |
| 26 | 19754203 |
| 27 | 20634971 |
| 28 | 20637451 |
| 29 | 21865409 |