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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 7 |
| 8 | 10 |
| 9 | 16 |
| 10 | 24 |
| 11 | 36 |
| 12 | 54 |
| 13 | 80 |
| 14 | 120 |
| 15 | 180 |
| 16 | 269 |
| 17 | 404 |
| 18 | 605 |
| 19 | 908 |
| 20 | 1361 |
| 21 | 2041 |
| 22 | 3063 |
| 23 | 4591 |
| 24 | 6890 |
| 25 | 10333 |
| 26 | 15509 |
| 27 | 23259 |
| 28 | 34901 |
| 29 | 52344 |
| 30 | 78516 |
| 31 | 117762 |
| 32 | 176636 |
| 33 | 264944 |
| 34 | 397405 |
| 35 | 596099 |
| 36 | 894193 |
| 37 | 1341290 |
| 38 | 2011935 |
| 39 | 3017927 |
| 40 | 4526825 |