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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 6 |
| 7 | 9 |
| 8 | 21 |
| 9 | 34 |
| 10 | 67 |
| 11 | 122 |
| 12 | 203 |
| 13 | 439 |
| 14 | 812 |
| 15 | 1562 |
| 16 | 2826 |
| 17 | 5304 |
| 18 | 10357 |
| 19 | 19247 |
| 20 | 36684 |
| 21 | 70168 |
| 22 | 134211 |
| 23 | 256937 |
| 24 | 492730 |
| 25 | 946967 |
| 26 | 1823368 |
| 27 | 3512484 |
| 28 | 6781240 |
| 29 | 13103839 |
| 30 | 25345814 |
| 31 | 49096941 |
| 32 | 95168742 |
| 33 | 184666456 |
| 34 | 358645108 |
| 35 | 697065364 |