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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 15 |
| 6 | 26 |
| 7 | 52 |
| 8 | 93 |
| 9 | 173 |
| 10 | 310 |
| 11 | 556 |
| 12 | 1041 |
| 13 | 1789 |
| 14 | 3098 |
| 15 | 5620 |
| 16 | 9725 |
| 17 | 16377 |
| 18 | 28764 |
| 19 | 48518 |
| 20 | 82889 |
| 21 | 137161 |
| 22 | 237502 |
| 23 | 390084 |
| 24 | 646347 |
| 25 | 1055975 |
| 26 | 1774036 |
| 27 | 2907822 |
| 28 | 4698733 |
| 29 | 7581093 |
| 30 | 12381660 |
| 31 | 19891026 |
| 32 | 32113631 |
| 33 | 51110319 |
| 34 | 80777888 |
| 35 | 130175410 |
| 36 | 204813395 |