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 | 22 |
| 2 | 154 |
| 3 | 638 |
| 4 | 946 |
| 5 | 1738 |
| 6 | 2926 |
| 7 | 12166 |
| 8 | 15862 |
| 9 | 33022 |
| 10 | 125686 |
| 11 | 248218 |
| 12 | 285286 |
| 13 | 358534 |
| 14 | 596926 |
| 15 | 697334 |
| 16 | 1007566 |
| 17 | 3426346 |
| 18 | 3675826 |
| 19 | 3755158 |
| 20 | 4147522 |
| 21 | 6518974 |
| 22 | 19866946 |
| 23 | 26336926 |
| 24 | 34220746 |
| 25 | 35083426 |
| 26 | 46365814 |
| 27 | 54148654 |
| 28 | 54342046 |
| 29 | 72789466 |