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) |
|---|---|
| 0 | 3 |
| 1 | 57 |
| 2 | 306 |
| 3 | 837 |
| 4 | 1335 |
| 5 | 2073 |
| 6 | 3033 |
| 7 | 4395 |
| 8 | 6147 |
| 9 | 8469 |
| 10 | 11253 |
| 11 | 14907 |
| 12 | 19263 |
| 13 | 24819 |
| 14 | 31197 |
| 15 | 38823 |
| 16 | 47619 |