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 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 9 |
| 8 | 13 |
| 9 | 24 |
| 10 | 40 |
| 11 | 61 |
| 12 | 101 |
| 13 | 160 |
| 14 | 257 |
| 15 | 415 |
| 16 | 679 |
| 17 | 1103 |
| 18 | 1774 |
| 19 | 2884 |
| 20 | 4656 |
| 21 | 7517 |
| 22 | 12165 |
| 23 | 19653 |
| 24 | 31753 |
| 25 | 51390 |
| 26 | 83134 |
| 27 | 134412 |
| 28 | 217505 |
| 29 | 351814 |
| 30 | 569081 |
| 31 | 920769 |
| 32 | 1489587 |
| 33 | 2409992 |
| 34 | 3899347 |
| 35 | 6309059 |
| 36 | 10208628 |
| 37 | 16518910 |
| 38 | 26729830 |
| 39 | 43254212 |
| 40 | 69994082 |