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 | 6 |
| 4 | 9 |
| 5 | 4 |
| 6 | 11 |
| 7 | 110 |
| 8 | 93 |
| 9 | 86 |
| 10 | 130 |
| 11 | 11 |
| 12 | 1638 |
| 13 | 229 |
| 14 | 3056 |
| 15 | 268 |
| 16 | 1510 |
| 17 | 10118 |
| 18 | 11477 |
| 19 | 727 |
| 20 | 17711 |
| 21 | 83295 |
| 22 | 59861 |
| 23 | 22334 |
| 24 | 19659 |
| 25 | 301848 |
| 26 | 977089 |
| 27 | 59943 |
| 28 | 414086 |
| 29 | 536681 |
| 30 | 649382 |
| 31 | 2729036 |
| 32 | 68232754 |
| 33 | 17793212 |
| 34 | 33986473 |
| 35 | 695781 |
| 36 | 135830965 |
| 37 | 117951651 |
| 38 | 36978613 |
| 39 | 170243036 |
| 40 | 366567058 |