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 | -2 |
| 1 | 4 |
| 2 | 26 |
| 3 | 76 |
| 4 | 166 |
| 5 | 308 |
| 6 | 514 |
| 7 | 796 |
| 8 | 1166 |
| 9 | 1636 |
| 10 | 2218 |
| 11 | 2924 |
| 12 | 3766 |
| 13 | 4756 |
| 14 | 5906 |
| 15 | 7228 |
| 16 | 8734 |
| 17 | 10436 |
| 18 | 12346 |
| 19 | 14476 |
| 20 | 16838 |
| 21 | 19444 |
| 22 | 22306 |
| 23 | 25436 |
| 24 | 28846 |
| 25 | 32548 |
| 26 | 36554 |
| 27 | 40876 |
| 28 | 45526 |
| 29 | 50516 |
| 30 | 55858 |