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) |
|---|---|
| 3 | 1 |
| 4 | 2 |
| 5 | 8 |
| 6 | 19 |
| 7 | 41 |
| 8 | 78 |
| 9 | 134 |
| 10 | 218 |
| 11 | 339 |
| 12 | 506 |
| 13 | 730 |
| 14 | 1023 |
| 15 | 1397 |
| 16 | 1884 |
| 17 | 2477 |
| 18 | 3218 |
| 19 | 4118 |
| 20 | 5192 |
| 21 | 6486 |
| 22 | 8010 |
| 23 | 9795 |
| 24 | 11888 |
| 25 | 14302 |
| 26 | 17066 |
| 27 | 20256 |
| 28 | 23889 |
| 29 | 27999 |
| 30 | 32637 |
| 31 | 37863 |
| 32 | 43695 |
| 33 | 50218 |
| 34 | 57495 |
| 35 | 65545 |
| 36 | 74431 |
| 37 | 84257 |
| 38 | 95030 |
| 39 | 106840 |
| 40 | 119799 |
| 41 | 133941 |
| 42 | 149311 |
| 43 | 166071 |