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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 12 |
| 7 | 23 |
| 8 | 47 |
| 9 | 91 |
| 10 | 202 |
| 11 | 428 |
| 12 | 911 |
| 13 | 1862 |
| 14 | 3638 |
| 15 | 6637 |
| 16 | 11780 |
| 17 | 20764 |
| 18 | 36904 |
| 19 | 64855 |
| 20 | 111552 |
| 21 | 186147 |
| 22 | 302526 |
| 23 | 479076 |
| 24 | 739080 |
| 25 | 1106514 |
| 26 | 1610045 |
| 27 | 2278632 |
| 28 | 3146000 |
| 29 | 4254002 |
| 30 | 5682571 |
| 31 | 7558064 |
| 32 | 10081716 |
| 33 | 13532752 |
| 34 | 18293656 |
| 35 | 24830210 |
| 36 | 33733178 |
| 37 | 45720871 |