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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 12 |
| 7 | 21 |
| 8 | 30 |
| 9 | 50 |
| 10 | 75 |
| 11 | 110 |
| 12 | 169 |
| 13 | 249 |
| 14 | 361 |
| 15 | 539 |
| 16 | 757 |
| 17 | 1076 |
| 18 | 1583 |
| 19 | 2207 |
| 20 | 3121 |
| 21 | 4415 |
| 22 | 6184 |
| 23 | 8468 |
| 24 | 11775 |
| 25 | 16274 |
| 26 | 22314 |
| 27 | 30601 |
| 28 | 41745 |
| 29 | 56412 |
| 30 | 77008 |
| 31 | 103507 |
| 32 | 138383 |
| 33 | 186928 |
| 34 | 249855 |
| 35 | 333375 |
| 36 | 443898 |
| 37 | 588402 |
| 38 | 778276 |
| 39 | 1031126 |
| 40 | 1356945 |
| 41 | 1780645 |