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 | 1 |
| 2 | 22 |
| 3 | 24 |
| 4 | 167 |
| 5 | 202 |
| 6 | 226 |
| 7 | 1443 |
| 8 | 2380 |
| 9 | 3190 |
| 10 | 3952 |
| 11 | 4220 |
| 12 | 16827 |
| 13 | 26304 |
| 14 | 37612 |
| 15 | 40813 |
| 16 | 213501 |
| 17 | 376524 |
| 18 | 1920079 |
| 19 | 2061085 |
| 20 | 2635057 |
| 21 | 3463613 |
| 22 | 4268588 |
| 23 | 16513206 |
| 24 | 68101132 |
| 25 | 166428703 |
| 26 | 207224360 |
| 27 | 403784450 |
| 28 | 421279478 |
| 29 | 1384813481 |