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) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 28 |
| 7 | 56 |
| 8 | 112 |
| 9 | 224 |
| 10 | 448 |
| 11 | 728 |
| 12 | 1456 |
| 13 | 2912 |
| 14 | 5824 |
| 15 | 10192 |
| 16 | 11648 |
| 17 | 20384 |
| 18 | 27664 |
| 19 | 40768 |
| 20 | 55328 |
| 21 | 110656 |
| 22 | 221312 |
| 23 | 442624 |
| 24 | 885248 |
| 25 | 1263808 |
| 26 | 1770496 |
| 27 | 2527616 |
| 28 | 3430336 |
| 29 | 5055232 |
| 30 | 6860672 |
| 31 | 10110464 |
| 32 | 13721344 |
| 33 | 16155776 |
| 34 | 20220928 |
| 35 | 24012352 |
| 36 | 32311552 |
| 37 | 48024704 |