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 | 3 |
| 2 | 7 |
| 3 | 8 |
| 4 | 31 |
| 5 | 32 |
| 6 | 36 |
| 7 | 211 |
| 8 | 212 |
| 9 | 216 |
| 10 | 240 |
| 11 | 2311 |
| 12 | 2312 |
| 13 | 2316 |
| 14 | 2340 |
| 15 | 30031 |
| 16 | 30032 |
| 17 | 30036 |
| 18 | 30060 |
| 19 | 30240 |
| 20 | 32340 |
| 21 | 510511 |
| 22 | 510512 |
| 23 | 510516 |
| 24 | 510540 |
| 25 | 510720 |
| 26 | 512820 |
| 27 | 540540 |
| 28 | 9699691 |
| 29 | 9699692 |
| 30 | 9699696 |
| 31 | 9699720 |
| 32 | 9699900 |
| 33 | 9702000 |
| 34 | 9729720 |
| 35 | 10210200 |