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 | 15 |
| 2 | 126 |
| 3 | 143 |
| 4 | 1020 |
| 5 | 399 |
| 6 | 1150 |
| 7 | 783 |
| 8 | 8184 |
| 9 | 1295 |
| 10 | 3198 |
| 11 | 1935 |
| 12 | 9212 |
| 13 | 2703 |
| 14 | 6270 |
| 15 | 3599 |
| 16 | 65520 |
| 17 | 4623 |
| 18 | 10366 |
| 19 | 5775 |
| 20 | 25596 |
| 21 | 7055 |
| 22 | 15486 |
| 23 | 8463 |
| 24 | 73720 |
| 25 | 9999 |
| 26 | 21630 |
| 27 | 11663 |
| 28 | 50172 |
| 29 | 13455 |
| 30 | 28798 |
| 31 | 15375 |
| 32 | 524256 |
| 33 | 17423 |
| 34 | 36990 |