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 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 13 |
| 7 | 14 |
| 8 | 18 |
| 9 | 32 |
| 10 | 52 |
| 11 | 113 |
| 12 | 485 |
| 13 | 3377 |
| 14 | 4714 |
| 15 | 963664 |
| 16 | 10467647 |
| 17 | 14779710 |
| 18 | 15407967 |
| 19 | 70919074 |
| 20 | 73672410 |
| 21 | 363144903 |
| 22 | 409121736 |
| 23 | 628298429 |
| 24 | 2803904265 |
| 25 | 4054561652 |
| 26 | 53155160769 |