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 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 17 |
| 6 | 29 |
| 7 | 57 |
| 8 | 101 |
| 9 | 201 |
| 10 | 365 |
| 11 | 729 |
| 12 | 1233 |
| 13 | 2465 |
| 14 | 4593 |
| 15 | 8297 |
| 16 | 15921 |
| 17 | 31841 |
| 18 | 55953 |
| 19 | 111905 |
| 20 | 195713 |
| 21 | 362337 |
| 22 | 697361 |
| 23 | 1394721 |
| 24 | 2334113 |
| 25 | 4668225 |
| 26 | 9095393 |
| 27 | 17225313 |
| 28 | 31242785 |
| 29 | 62485569 |
| 30 | 106668609 |
| 31 | 213337217 |
| 32 | 392606529 |
| 33 | 755131841 |
| 34 | 1491146913 |
| 35 | 2727555425 |
| 36 | 4947175713 |