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 | 1 |
| 1 | 4 |
| 2 | 5 |
| 3 | 12 |
| 4 | 17 |
| 5 | 32 |
| 6 | 49 |
| 7 | 84 |
| 8 | 133 |
| 9 | 220 |
| 10 | 353 |
| 11 | 576 |
| 12 | 929 |
| 13 | 1508 |
| 14 | 2437 |
| 15 | 3948 |
| 16 | 6385 |
| 17 | 10336 |
| 18 | 16721 |
| 19 | 27060 |
| 20 | 43781 |
| 21 | 70844 |
| 22 | 114625 |
| 23 | 185472 |
| 24 | 300097 |
| 25 | 485572 |
| 26 | 785669 |
| 27 | 1271244 |
| 28 | 2056913 |
| 29 | 3328160 |
| 30 | 5385073 |
| 31 | 8713236 |
| 32 | 14098309 |
| 33 | 22811548 |
| 34 | 36909857 |
| 35 | 59721408 |
| 36 | 96631265 |
| 37 | 156352676 |