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 | 7 |
| 5 | 8 |
| 6 | 14 |
| 7 | 19 |
| 8 | 22 |
| 9 | 23 |
| 10 | 31 |
| 11 | 62 |
| 12 | 65 |
| 13 | 79 |
| 14 | 178 |
| 15 | 356 |
| 16 | 401 |
| 17 | 517 |
| 18 | 557 |
| 19 | 1040 |
| 20 | 2248 |
| 21 | 6718 |
| 22 | 10730 |
| 23 | 15079 |
| 24 | 24938 |
| 25 | 36241 |
| 26 | 58486 |
| 27 | 69340 |