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 | 4 |
| 4 | 6 |
| 5 | 9 |
| 6 | 16 |
| 7 | 20 |
| 8 | 30 |
| 9 | 42 |
| 10 | 61 |
| 11 | 76 |
| 12 | 112 |
| 13 | 138 |
| 14 | 189 |
| 15 | 248 |
| 16 | 325 |
| 17 | 407 |
| 18 | 539 |
| 19 | 667 |
| 20 | 865 |
| 21 | 1083 |
| 22 | 1369 |
| 23 | 1690 |
| 24 | 2140 |
| 25 | 2624 |
| 26 | 3268 |
| 27 | 4009 |
| 28 | 4954 |
| 29 | 6022 |
| 30 | 7417 |
| 31 | 8968 |
| 32 | 10946 |
| 33 | 13218 |
| 34 | 16023 |
| 35 | 19256 |
| 36 | 23264 |
| 37 | 27819 |
| 38 | 33415 |
| 39 | 39873 |
| 40 | 47682 |
| 41 | 56654 |
| 42 | 67527 |
| 43 | 79962 |
| 44 | 94909 |
| 45 | 112130 |
| 46 | 132578 |