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 | 12 |
| 2 | 14 |
| 3 | 26 |
| 4 | 40 |
| 5 | 66 |
| 6 | 106 |
| 7 | 172 |
| 8 | 278 |
| 9 | 450 |
| 10 | 728 |
| 11 | 1178 |
| 12 | 1906 |
| 13 | 3084 |
| 14 | 4990 |
| 15 | 8074 |
| 16 | 13064 |
| 17 | 21138 |
| 18 | 34202 |
| 19 | 55340 |
| 20 | 89542 |
| 21 | 144882 |
| 22 | 234424 |
| 23 | 379306 |
| 24 | 613730 |
| 25 | 993036 |
| 26 | 1606766 |
| 27 | 2599802 |
| 28 | 4206568 |
| 29 | 6806370 |
| 30 | 11012938 |