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 | 16 |
| 5 | 32 |
| 6 | 64 |
| 7 | 128 |
| 8 | 252 |
| 9 | 488 |
| 10 | 932 |
| 11 | 1756 |
| 12 | 3246 |
| 13 | 5916 |
| 14 | 10618 |
| 15 | 18800 |
| 16 | 32846 |
| 17 | 56704 |
| 18 | 96702 |
| 19 | 163184 |
| 20 | 272460 |
| 21 | 450586 |
| 22 | 738274 |
| 23 | 1199376 |
| 24 | 1932338 |
| 25 | 3089518 |
| 26 | 4903164 |
| 27 | 7728120 |
| 28 | 12099440 |
| 29 | 18825066 |
| 30 | 29112876 |
| 31 | 44767202 |
| 32 | 68461866 |
| 33 | 104153666 |
| 34 | 157657852 |
| 35 | 237510110 |
| 36 | 356158688 |