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 | 4 |
| 4 | 7 |
| 5 | 12 |
| 6 | 18 |
| 7 | 26 |
| 8 | 35 |
| 9 | 45 |
| 10 | 56 |
| 11 | 73 |
| 12 | 86 |
| 13 | 107 |
| 14 | 128 |
| 15 | 152 |
| 16 | 178 |
| 17 | 200 |
| 18 | 217 |
| 19 | 247 |
| 20 | 284 |
| 21 | 334 |
| 22 | 357 |
| 23 | 373 |
| 24 | 426 |
| 25 | 481 |
| 26 | 493 |
| 27 | 554 |
| 28 | 586 |