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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 8 |
| 5 | 13 |
| 6 | 26 |
| 7 | 42 |
| 8 | 72 |
| 9 | 120 |
| 10 | 232 |
| 11 | 376 |
| 12 | 752 |
| 13 | 1128 |
| 14 | 2256 |
| 15 | 4512 |
| 16 | 8256 |
| 17 | 13632 |
| 18 | 27264 |
| 19 | 42048 |
| 20 | 82944 |
| 21 | 158976 |
| 22 | 313344 |
| 23 | 497664 |
| 24 | 995328 |
| 25 | 1700352 |
| 26 | 3350016 |
| 27 | 5815296 |
| 28 | 11630592 |
| 29 | 17491968 |
| 30 | 34983936 |
| 31 | 56954880 |
| 32 | 108933120 |
| 33 | 210788352 |
| 34 | 418258944 |
| 35 | 804667392 |
| 36 | 1609334784 |