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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 2 |
| 8 | 7 |
| 9 | 14 |
| 10 | 32 |
| 11 | 58 |
| 12 | 110 |
| 13 | 187 |
| 14 | 322 |
| 15 | 519 |
| 16 | 839 |
| 17 | 1302 |
| 18 | 2015 |
| 19 | 3032 |
| 20 | 4542 |
| 21 | 6668 |
| 22 | 9738 |
| 23 | 14006 |
| 24 | 20036 |
| 25 | 28324 |
| 26 | 39830 |
| 27 | 55473 |
| 28 | 76875 |
| 29 | 105692 |
| 30 | 144629 |
| 31 | 196585 |
| 32 | 266038 |
| 33 | 357952 |
| 34 | 479664 |
| 35 | 639519 |
| 36 | 849425 |
| 37 | 1123191 |
| 38 | 1479972 |
| 39 | 1942284 |
| 40 | 2540674 |
| 41 | 3311415 |