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 | 8 |
| 4 | 12 |
| 5 | 24 |
| 6 | 44 |
| 7 | 88 |
| 8 | 152 |
| 9 | 232 |
| 10 | 444 |
| 11 | 888 |
| 12 | 1576 |
| 13 | 3152 |
| 14 | 6136 |
| 15 | 11480 |
| 16 | 17112 |
| 17 | 34224 |
| 18 | 63504 |
| 19 | 127008 |
| 20 | 232352 |
| 21 | 442208 |
| 22 | 876944 |
| 23 | 1753888 |
| 24 | 3138848 |
| 25 | 4895328 |
| 26 | 9739152 |
| 27 | 18141840 |
| 28 | 34044720 |
| 29 | 68089440 |
| 30 | 123846624 |
| 31 | 247693248 |
| 32 | 469397440 |
| 33 | 924014144 |
| 34 | 1845676384 |
| 35 | 3469128224 |
| 36 | 5182711584 |