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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 12 |
| 7 | 18 |
| 8 | 27 |
| 9 | 42 |
| 10 | 64 |
| 11 | 97 |
| 12 | 147 |
| 13 | 222 |
| 14 | 337 |
| 15 | 512 |
| 16 | 776 |
| 17 | 1176 |
| 18 | 1782 |
| 19 | 2702 |
| 20 | 4096 |
| 21 | 6208 |
| 22 | 9410 |
| 23 | 14263 |
| 24 | 21618 |
| 25 | 32768 |
| 26 | 49667 |
| 27 | 75281 |
| 28 | 114104 |
| 29 | 172950 |
| 30 | 262144 |
| 31 | 397336 |
| 32 | 602248 |
| 33 | 912838 |
| 34 | 1383604 |
| 35 | 2097152 |
| 36 | 3178688 |
| 37 | 4817990 |
| 38 | 7302707 |
| 39 | 11068834 |
| 40 | 16777216 |
| 41 | 25429504 |
| 42 | 38543920 |
| 43 | 58421659 |
| 44 | 88550676 |
| 45 | 134217728 |