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 | 3 |
| 3 | 1 |
| 4 | 7 |
| 5 | 7 |
| 6 | 1 |
| 7 | 15 |
| 8 | 35 |
| 9 | 23 |
| 10 | 1 |
| 11 | 31 |
| 12 | 155 |
| 13 | 403 |
| 14 | 279 |
| 15 | 1 |
| 16 | 63 |
| 17 | 651 |
| 18 | 6603 |
| 19 | 71827 |
| 20 | 65815 |
| 21 | 1 |
| 22 | 127 |
| 23 | 2667 |
| 24 | 106299 |
| 25 | 18394315 |
| 26 | 4313323667 |
| 27 | 4295033111 |
| 28 | 1 |
| 29 | 255 |
| 30 | 10795 |
| 31 | 1703451 |
| 32 | 4709050939 |
| 33 | 282677998234827 |
| 34 | 18447026751295461523 |
| 35 | 18446744078004584727 |
| 36 | 1 |