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 | 10 |
| 4 | 18 |
| 5 | 36 |
| 6 | 57 |
| 7 | 77 |
| 8 | 110 |
| 9 | 141 |
| 10 | 177 |
| 11 | 232 |
| 12 | 270 |
| 13 | 337 |
| 14 | 402 |
| 15 | 453 |
| 16 | 566 |
| 17 | 610 |
| 18 | 721 |