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) |
|---|---|
| 2 | 1 |
| 3 | 5 |
| 4 | 12 |
| 5 | 4 |
| 6 | 2 |
| 7 | 6 |
| 8 | 31 |
| 9 | 28 |
| 10 | 3 |
| 11 | 13 |
| 12 | 169 |
| 13 | 729 |
| 14 | 3128 |
| 15 | 2245 |
| 16 | 4660 |
| 17 | 2524 |
| 18 | 5198 |
| 19 | 519 |
| 20 | 40016 |
| 21 | 48916 |
| 22 | 12350 |
| 23 | 45362 |
| 24 | 69266 |
| 25 | 74080 |
| 26 | 122062 |
| 27 | 117172 |
| 28 | 86999 |
| 29 | 206214 |
| 30 | 86845 |
| 31 | 144921 |
| 32 | 328452 |
| 33 | 213238 |
| 34 | 309939 |
| 35 | 387079 |
| 36 | 652124 |
| 37 | 504874 |
| 38 | 694074 |
| 39 | 596997 |
| 40 | 763820 |
| 41 | 741672 |
| 42 | 404949 |