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 | 7 |
| 3 | 14 |
| 4 | 21 |
| 5 | 26 |
| 6 | 27 |
| 7 | 22 |
| 8 | 9 |
| 9 | -14 |
| 10 | -49 |
| 11 | -98 |
| 12 | -163 |
| 13 | -246 |
| 14 | -349 |
| 15 | -474 |
| 16 | -623 |
| 17 | -798 |
| 18 | -1001 |
| 19 | -1234 |
| 20 | -1499 |
| 21 | -1798 |
| 22 | -2133 |
| 23 | -2506 |
| 24 | -2919 |
| 25 | -3374 |
| 26 | -3873 |
| 27 | -4418 |
| 28 | -5011 |
| 29 | -5654 |
| 30 | -6349 |
| 31 | -7098 |
| 32 | -7903 |
| 33 | -8766 |
| 34 | -9689 |
| 35 | -10674 |
| 36 | -11723 |
| 37 | -12838 |
| 38 | -14021 |
| 39 | -15274 |