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 | 2 |
| 3 | 3 |
| 4 | 7 |
| 5 | 10 |
| 6 | 20 |
| 7 | 27 |
| 8 | 48 |
| 9 | 86 |
| 10 | 147 |
| 11 | 195 |
| 12 | 311 |
| 13 | 390 |
| 14 | 595 |
| 15 | 1031 |
| 16 | 1459 |
| 17 | 1791 |
| 18 | 2637 |
| 19 | 3134 |
| 20 | 4747 |
| 21 | 7312 |
| 22 | 10766 |
| 23 | 12633 |
| 24 | 16785 |
| 25 | 26377 |
| 26 | 36142 |
| 27 | 48931 |
| 28 | 71144 |
| 29 | 82591 |
| 30 | 112308 |
| 31 | 128023 |
| 32 | 155523 |
| 33 | 231049 |
| 34 | 304326 |
| 35 | 459203 |
| 36 | 568095 |
| 37 | 642446 |
| 38 | 812245 |
| 39 | 1137063 |
| 40 | 1441067 |
| 41 | 1612998 |
| 42 | 2193307 |
| 43 | 2429362 |