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) |
|---|---|
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 11 |
| 6 | 17 |
| 7 | 25 |
| 8 | 34 |
| 9 | 44 |
| 10 | 55 |
| 11 | 72 |
| 12 | 85 |
| 13 | 106 |
| 14 | 127 |
| 15 | 151 |
| 16 | 177 |
| 17 | 199 |
| 18 | 216 |
| 19 | 246 |
| 20 | 283 |
| 21 | 333 |
| 22 | 356 |
| 23 | 372 |
| 24 | 425 |
| 25 | 480 |
| 26 | 492 |
| 27 | 553 |
| 28 | 585 |