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) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 6 |
| 6 | 9 |
| 7 | 19 |
| 8 | 29 |
| 9 | 48 |
| 10 | 73 |
| 11 | 114 |
| 12 | 161 |
| 13 | 241 |
| 14 | 340 |
| 15 | 479 |
| 16 | 662 |
| 17 | 917 |
| 18 | 1237 |
| 19 | 1678 |
| 20 | 2231 |
| 21 | 2965 |
| 22 | 3901 |
| 23 | 5114 |
| 24 | 6629 |
| 25 | 8588 |
| 26 | 11036 |
| 27 | 14129 |
| 28 | 17983 |
| 29 | 22823 |
| 30 | 28790 |
| 31 | 36238 |
| 32 | 45381 |
| 33 | 56674 |
| 34 | 70502 |
| 35 | 87453 |
| 36 | 108077 |
| 37 | 133259 |
| 38 | 163762 |
| 39 | 200747 |
| 40 | 245378 |
| 41 | 299261 |