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 | 5 |
| 2 | 10 |
| 3 | 19 |
| 4 | 34 |
| 5 | 59 |
| 6 | 104 |
| 7 | 181 |
| 8 | 314 |
| 9 | 545 |
| 10 | 946 |
| 11 | 1639 |
| 12 | 2840 |
| 13 | 4921 |
| 14 | 8524 |
| 15 | 14765 |
| 16 | 25574 |
| 17 | 44297 |
| 18 | 76726 |
| 19 | 132895 |
| 20 | 230182 |
| 21 | 398687 |
| 22 | 690548 |
| 23 | 1196065 |
| 24 | 2071646 |
| 25 | 3588197 |
| 26 | 6214940 |
| 27 | 10764593 |
| 28 | 18644824 |
| 29 | 32293783 |
| 30 | 55934474 |
| 31 | 96881353 |
| 32 | 167803426 |
| 33 | 290644061 |
| 34 | 503410282 |
| 35 | 871932187 |