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 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 16 |
| 9 | 24 |
| 10 | 36 |
| 11 | 53 |
| 12 | 78 |
| 13 | 115 |
| 14 | 169 |
| 15 | 248 |
| 16 | 364 |
| 17 | 534 |
| 18 | 783 |
| 19 | 1148 |
| 20 | 1683 |
| 21 | 2467 |
| 22 | 3616 |
| 23 | 5300 |
| 24 | 7768 |
| 25 | 11385 |
| 26 | 16686 |
| 27 | 24455 |
| 28 | 35841 |
| 29 | 52528 |
| 30 | 76984 |
| 31 | 112826 |
| 32 | 165355 |
| 33 | 242340 |
| 34 | 355167 |
| 35 | 520523 |
| 36 | 762864 |
| 37 | 1118032 |
| 38 | 1638556 |
| 39 | 2401421 |
| 40 | 3519454 |
| 41 | 5158011 |