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 | 4 |
| 3 | 14 |
| 4 | 24 |
| 5 | 58 |
| 6 | 124 |
| 7 | 238 |
| 8 | 480 |
| 9 | 922 |
| 10 | 1764 |
| 11 | 3238 |
| 12 | 6008 |
| 13 | 10794 |
| 14 | 19292 |
| 15 | 34166 |
| 16 | 59504 |
| 17 | 103042 |
| 18 | 176452 |
| 19 | 299958 |
| 20 | 505240 |
| 21 | 845570 |
| 22 | 1403324 |
| 23 | 2315118 |
| 24 | 3794640 |
| 25 | 6180370 |
| 26 | 10009540 |
| 27 | 16121374 |
| 28 | 25829512 |
| 29 | 41171690 |
| 30 | 65320956 |
| 31 | 103140062 |
| 32 | 162149488 |
| 33 | 253823178 |
| 34 | 395698276 |