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 | 0 |
| 1 | 15 |
| 2 | 27 |
| 3 | 24 |
| 4 | 181 |
| 5 | 317 |
| 6 | 2309 |
| 7 | 972 |
| 8 | 25264 |
| 9 | 131979 |
| 10 | 279275 |
| 11 | 279269 |
| 12 | 1727605 |
| 13 | 6030752 |
| 14 | 8760853 |
| 15 | 77235364 |