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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 11 |
| 7 | 14 |
| 8 | 14 |
| 9 | 30 |
| 10 | 62 |
| 11 | 66 |
| 12 | 99 |
| 13 | 143 |
| 14 | 212 |
| 15 | 343 |
| 16 | 478 |
| 17 | 697 |
| 18 | 992 |
| 19 | 1501 |
| 20 | 2246 |
| 21 | 3251 |
| 22 | 4776 |
| 23 | 6969 |
| 24 | 10283 |
| 25 | 15210 |
| 26 | 22297 |
| 27 | 32727 |
| 28 | 47984 |
| 29 | 70644 |
| 30 | 103961 |
| 31 | 152706 |
| 32 | 224382 |
| 33 | 329508 |
| 34 | 484451 |
| 35 | 712274 |
| 36 | 1046736 |
| 37 | 1538164 |
| 38 | 2260109 |
| 39 | 3321932 |
| 40 | 4882574 |
| 41 | 7175738 |
| 42 | 10545581 |