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 | 4 |
| 1 | 30 |
| 2 | 34 |
| 3 | 64 |
| 4 | 98 |
| 5 | 162 |
| 6 | 260 |
| 7 | 422 |
| 8 | 682 |
| 9 | 1104 |
| 10 | 1786 |
| 11 | 2890 |
| 12 | 4676 |
| 13 | 7566 |
| 14 | 12242 |
| 15 | 19808 |
| 16 | 32050 |
| 17 | 51858 |
| 18 | 83908 |
| 19 | 135766 |
| 20 | 219674 |
| 21 | 355440 |
| 22 | 575114 |
| 23 | 930554 |
| 24 | 1505668 |
| 25 | 2436222 |
| 26 | 3941890 |
| 27 | 6378112 |
| 28 | 10320002 |
| 29 | 16698114 |
| 30 | 27018116 |
| 31 | 43716230 |
| 32 | 70734346 |
| 33 | 114450576 |
| 34 | 185184922 |
| 35 | 299635498 |
| 36 | 484820420 |