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 | 6 |
| 4 | 7 |
| 5 | 25 |
| 6 | 32 |
| 7 | 33 |
| 8 | 35 |
| 9 | 36 |
| 10 | 62 |
| 11 | 89 |
| 12 | 184 |
| 13 | 464 |
| 14 | 519 |
| 15 | 1047 |
| 16 | 1050 |
| 17 | 1339 |
| 18 | 2144 |
| 19 | 2311 |
| 20 | 6799 |
| 21 | 12270 |
| 22 | 19963 |
| 23 | 19964 |
| 24 | 22768 |
| 25 | 80843 |
| 26 | 80846 |
| 27 | 93174 |
| 28 | 150556 |
| 29 | 162347 |
| 30 | 656233 |
| 31 | 688140 |
| 32 | 1004475 |
| 33 | 1622633 |