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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 14 |
| 7 | 18 |
| 8 | 146 |
| 9 | 216 |
| 10 | 293 |
| 11 | 704 |
| 12 | 1143 |
| 13 | 1530 |
| 14 | 1593 |
| 15 | 2924 |
| 16 | 7163 |
| 17 | 9176 |
| 18 | 9489 |
| 19 | 11531 |
| 20 | 39543 |
| 21 | 50423 |
| 22 | 60720 |
| 23 | 62868 |
| 24 | 69993 |
| 25 | 69995 |
| 26 | 88103 |
| 27 | 88163 |
| 28 | 104606 |
| 29 | 164441 |
| 30 | 178551 |