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 | 3 |
| 2 | 1 |
| 3 | 27 |
| 4 | 12 |
| 5 | 1 |
| 6 | 729 |
| 7 | 351 |
| 8 | 39 |
| 9 | 1 |
| 10 | 59049 |
| 11 | 29160 |
| 12 | 3510 |
| 13 | 120 |
| 14 | 1 |
| 15 | 14348907 |
| 16 | 7144929 |
| 17 | 882090 |
| 18 | 32670 |
| 19 | 363 |
| 20 | 1 |
| 21 | 10460353203 |
| 22 | 5223002148 |
| 23 | 650188539 |
| 24 | 24698520 |
| 25 | 297297 |
| 26 | 1092 |
| 27 | 1 |
| 28 | 22876792454961 |
| 29 | 11433166050879 |
| 30 | 1427185336941 |
| 31 | 54665851779 |
| 32 | 674887059 |
| 33 | 2685501 |
| 34 | 3279 |
| 35 | 1 |