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 | 6 |
| 2 | 6 |
| 3 | 12 |
| 4 | 18 |
| 5 | 30 |
| 6 | 48 |
| 7 | 78 |
| 8 | 126 |
| 9 | 204 |
| 10 | 330 |
| 11 | 534 |
| 12 | 864 |
| 13 | 1398 |
| 14 | 2262 |
| 15 | 3660 |
| 16 | 5922 |
| 17 | 9582 |
| 18 | 15504 |
| 19 | 25086 |
| 20 | 40590 |
| 21 | 65676 |
| 22 | 106266 |
| 23 | 171942 |
| 24 | 278208 |
| 25 | 450150 |
| 26 | 728358 |
| 27 | 1178508 |
| 28 | 1906866 |
| 29 | 3085374 |
| 30 | 4992240 |
| 31 | 8077614 |
| 32 | 13069854 |
| 33 | 21147468 |
| 34 | 34217322 |
| 35 | 55364790 |
| 36 | 89582112 |
| 37 | 144946902 |