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) |
|---|---|
| 2 | 2 |
| 3 | 4 |
| 4 | 4 |
| 5 | 6 |
| 6 | 10 |
| 7 | 39 |
| 8 | 102 |
| 9 | 44 |
| 10 | 165 |
| 11 | 96 |
| 12 | 154 |
| 13 | 446 |
| 14 | 406 |
| 15 | 714 |
| 16 | 999 |
| 17 | 1634 |
| 18 | 2698 |
| 19 | 5445 |
| 20 | 7630 |
| 21 | 11670 |
| 22 | 17833 |
| 23 | 28758 |
| 24 | 46686 |
| 25 | 75178 |
| 26 | 121782 |
| 27 | 197890 |
| 28 | 319081 |
| 29 | 522734 |
| 30 | 840924 |