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 | 1 |
| 3 | 1 |
| 4 | 8 |
| 5 | 1 |
| 6 | 1 |
| 7 | 65 |
| 8 | 65 |
| 9 | 1 |
| 10 | 1 |
| 11 | 528 |
| 12 | 4290 |
| 13 | 528 |
| 14 | 1 |
| 15 | 1 |
| 16 | 4289 |
| 17 | 283074 |
| 18 | 283074 |
| 19 | 4289 |
| 20 | 1 |
| 21 | 1 |
| 22 | 34840 |
| 23 | 18678595 |
| 24 | 151727664 |
| 25 | 18678595 |
| 26 | 34840 |
| 27 | 1 |
| 28 | 1 |
| 29 | 283009 |
| 30 | 1232504195 |
| 31 | 81326315267 |
| 32 | 81326315267 |
| 33 | 1232504195 |
| 34 | 283009 |
| 35 | 1 |
| 36 | 1 |
| 37 | 2298912 |
| 38 | 81326598276 |