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 | 4 |
| 2 | 46 |
| 3 | 62 |
| 4 | 119 |
| 5 | 145 |
| 6 | 180 |
| 7 | 200 |
| 8 | 247 |
| 9 | 305 |
| 10 | 522 |
| 11 | 707 |
| 12 | 900 |
| 13 | 1235 |
| 14 | 1504 |
| 15 | 1532 |
| 16 | 1540 |
| 17 | 2396 |
| 18 | 3140 |
| 19 | 4181 |
| 20 | 4231 |
| 21 | 6419 |
| 22 | 9066 |
| 23 | 9885 |
| 24 | 14292 |
| 25 | 17914 |
| 26 | 22696 |
| 27 | 33924 |
| 28 | 35933 |
| 29 | 38951 |
| 30 | 80602 |