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 | 6 |
| 1 | 56 |
| 2 | 156 |
| 3 | 306 |
| 4 | 506 |
| 5 | 756 |
| 6 | 1056 |
| 7 | 1406 |
| 8 | 1806 |
| 9 | 2256 |
| 10 | 2756 |
| 11 | 3306 |
| 12 | 3906 |
| 13 | 4556 |
| 14 | 5256 |
| 15 | 6006 |
| 16 | 6806 |
| 17 | 7656 |
| 18 | 8556 |
| 19 | 9506 |
| 20 | 10506 |
| 21 | 11556 |
| 22 | 12656 |
| 23 | 13806 |
| 24 | 15006 |
| 25 | 16256 |
| 26 | 17556 |
| 27 | 18906 |
| 28 | 20306 |
| 29 | 21756 |
| 30 | 23256 |
| 31 | 24806 |
| 32 | 26406 |
| 33 | 28056 |
| 34 | 29756 |
| 35 | 31506 |
| 36 | 33306 |
| 37 | 35156 |
| 38 | 37056 |
| 39 | 39006 |
| 40 | 41006 |
| 41 | 43056 |