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 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 16 |
| 6 | 27 |
| 7 | 48 |
| 8 | 84 |
| 9 | 147 |
| 10 | 256 |
| 11 | 445 |
| 12 | 776 |
| 13 | 1351 |
| 14 | 2352 |
| 15 | 4096 |
| 16 | 7131 |
| 17 | 12416 |
| 18 | 21618 |
| 19 | 37640 |
| 20 | 65536 |
| 21 | 114104 |
| 22 | 198668 |
| 23 | 345901 |
| 24 | 602248 |
| 25 | 1048576 |
| 26 | 1825676 |
| 27 | 3178688 |
| 28 | 5534417 |
| 29 | 9635980 |
| 30 | 16777216 |
| 31 | 29210829 |
| 32 | 50859008 |
| 33 | 88550676 |
| 34 | 154175683 |