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 | 33 |
| 2 | 273 |
| 3 | 1616 |
| 4 | 6877 |
| 5 | 22710 |
| 6 | 62249 |
| 7 | 148468 |
| 8 | 318261 |
| 9 | 627242 |
| 10 | 1155265 |
| 11 | 2012664 |
| 12 | 3347213 |
| 13 | 5351806 |
| 14 | 8272857 |
| 15 | 12419420 |
| 16 | 18173029 |
| 17 | 25998258 |
| 18 | 36454001 |
| 19 | 50205472 |
| 20 | 68036925 |
| 21 | 90865094 |
| 22 | 119753353 |
| 23 | 155926596 |
| 24 | 200786837 |
| 25 | 255929530 |
| 26 | 323160609 |