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 | 7 |
| 2 | 10 |
| 3 | 13 |
| 4 | 22 |
| 5 | 27 |
| 6 | 30 |
| 7 | 57 |
| 8 | 62 |
| 9 | 117 |
| 10 | 255 |
| 11 | 535 |
| 12 | 651 |
| 13 | 873 |
| 14 | 998 |
| 15 | 1502 |
| 16 | 18145 |
| 17 | 22766 |
| 18 | 25770 |
| 19 | 43558 |
| 20 | 45663 |
| 21 | 48058 |
| 22 | 62887 |
| 23 | 87477 |
| 24 | 103585 |
| 25 | 115802 |