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 | 4 |
| 3 | 6 |
| 4 | 10 |
| 5 | 14 |
| 6 | 24 |
| 7 | 29 |
| 8 | 35 |
| 9 | 54 |
| 10 | 107 |
| 11 | 122 |
| 12 | 150 |
| 13 | 181 |
| 14 | 207 |
| 15 | 231 |
| 16 | 439 |
| 17 | 486 |
| 18 | 1509 |
| 19 | 2929 |
| 20 | 4952 |
| 21 | 18857 |
| 22 | 69180 |
| 23 | 21431879 |
| 24 | 24576523 |
| 25 | 49395953 |
| 26 | 51744075 |
| 27 | 71482877 |
| 28 | 16614427386 |
| 29 | 23647775833 |