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 | 8 |
| 1 | 24 |
| 2 | 62 |
| 3 | 148 |
| 4 | 338 |
| 5 | 752 |
| 6 | 1646 |
| 7 | 3564 |
| 8 | 7658 |
| 9 | 16360 |
| 10 | 34790 |
| 11 | 73700 |
| 12 | 155618 |
| 13 | 327648 |
| 14 | 688094 |
| 15 | 1441756 |
| 16 | 3014618 |
| 17 | 6291416 |
| 18 | 13107158 |
| 19 | 27262932 |
| 20 | 56623058 |
| 21 | 117440464 |
| 22 | 243269582 |
| 23 | 503316428 |
| 24 | 1040187338 |
| 25 | 2147483592 |
| 26 | 4429184966 |