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 | 3 |
| 2 | 6 |
| 3 | 11 |
| 4 | 18 |
| 5 | 30 |
| 6 | 48 |
| 7 | 78 |
| 8 | 125 |
| 9 | 202 |
| 10 | 325 |
| 11 | 525 |
| 12 | 847 |
| 13 | 1369 |
| 14 | 2212 |
| 15 | 3577 |
| 16 | 5784 |
| 17 | 9356 |
| 18 | 15134 |
| 19 | 24484 |
| 20 | 39611 |
| 21 | 64088 |
| 22 | 103691 |
| 23 | 167771 |
| 24 | 271453 |
| 25 | 439215 |
| 26 | 710658 |
| 27 | 1149863 |
| 28 | 1860510 |
| 29 | 3010362 |
| 30 | 4870860 |
| 31 | 7881210 |
| 32 | 12752057 |
| 33 | 20633254 |
| 34 | 33385297 |
| 35 | 54018537 |
| 36 | 87403819 |
| 37 | 141422341 |
| 38 | 228826144 |
| 39 | 370248469 |
| 40 | 599074596 |