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 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 3 |
| 8 | 3 |
| 9 | 6 |
| 10 | 8 |
| 11 | 13 |
| 12 | 15 |
| 13 | 24 |
| 14 | 30 |
| 15 | 44 |
| 16 | 54 |
| 17 | 77 |
| 18 | 98 |
| 19 | 134 |
| 20 | 165 |
| 21 | 222 |
| 22 | 279 |
| 23 | 367 |
| 24 | 454 |
| 25 | 588 |
| 26 | 731 |
| 27 | 936 |
| 28 | 1148 |
| 29 | 1454 |
| 30 | 1788 |
| 31 | 2241 |
| 32 | 2732 |
| 33 | 3400 |
| 34 | 4140 |
| 35 | 5106 |
| 36 | 6183 |
| 37 | 7579 |
| 38 | 9157 |
| 39 | 11156 |
| 40 | 13406 |
| 41 | 16249 |
| 42 | 19482 |
| 43 | 23489 |
| 44 | 28042 |
| 45 | 33666 |
| 46 | 40087 |
| 47 | 47914 |
| 48 | 56851 |