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 | 10 |
| 3 | 46 |
| 4 | 158 |
| 5 | 431 |
| 6 | 974 |
| 7 | 2022 |
| 8 | 3837 |
| 9 | 6777 |
| 10 | 11263 |
| 11 | 17947 |
| 12 | 27541 |
| 13 | 40835 |
| 14 | 58904 |
| 15 | 83081 |
| 16 | 114543 |
| 17 | 155232 |
| 18 | 206901 |
| 19 | 271573 |
| 20 | 351583 |
| 21 | 449833 |
| 22 | 569225 |
| 23 | 712847 |
| 24 | 884408 |
| 25 | 1088136 |
| 26 | 1328616 |
| 27 | 1610007 |
| 28 | 1937077 |
| 29 | 2315434 |
| 30 | 2750476 |
| 31 | 3250073 |
| 32 | 3820925 |
| 33 | 4469597 |