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 | 1 |
| 2 | 2 |
| 3 | 8 |
| 4 | 11 |
| 5 | 22 |
| 6 | 53 |
| 7 | 75 |
| 8 | 123 |
| 9 | 193 |
| 10 | 418 |
| 11 | 538 |
| 12 | 894 |
| 13 | 1268 |
| 14 | 1950 |
| 15 | 3567 |
| 16 | 4799 |
| 17 | 7143 |
| 18 | 10355 |
| 19 | 14968 |
| 20 | 20701 |
| 21 | 36398 |
| 22 | 46420 |
| 23 | 69071 |
| 24 | 94972 |
| 25 | 136385 |
| 26 | 182522 |
| 27 | 259104 |
| 28 | 402405 |
| 29 | 527090 |
| 30 | 741569 |
| 31 | 1015491 |
| 32 | 1397661 |
| 33 | 1880541 |
| 34 | 2567202 |
| 35 | 3392612 |
| 36 | 5153156 |
| 37 | 6553844 |
| 38 | 9088372 |
| 39 | 12040797 |