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 | 5 |
| 4 | 10 |
| 5 | 13 |
| 6 | 26 |
| 7 | 37 |
| 8 | 65 |
| 9 | 74 |
| 10 | 130 |
| 11 | 185 |
| 12 | 370 |
| 13 | 463 |
| 14 | 481 |
| 15 | 926 |
| 16 | 962 |
| 17 | 2315 |
| 18 | 2405 |
| 19 | 4630 |
| 20 | 4810 |
| 21 | 6019 |
| 22 | 12038 |
| 23 | 17131 |
| 24 | 30095 |
| 25 | 34262 |
| 26 | 60190 |
| 27 | 85655 |
| 28 | 171310 |
| 29 | 222703 |