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 | 3 |
| 2 | 358712 |
| 3 | 34772 |
| 4 | 79631 |
| 5 | 1822685 |
| 6 | 22865 |
| 7 | 2066 |
| 8 | 2593722 |
| 9 | 26 |
| 10 | 3418900 |
| 11 | 26 |
| 12 | 711611 |
| 13 | 286 |
| 14 | 1493190 |
| 15 | 882854 |
| 16 | 513312 |
| 17 | 1707237 |
| 18 | 788232 |
| 19 | 913695 |
| 20 | 1980985 |
| 21 | 7147 |
| 22 | 443152 |
| 23 | 479580 |
| 24 | 2589105 |
| 25 | 865432 |
| 26 | 265243 |
| 27 | 103641 |
| 28 | 160536 |
| 29 | 398360 |
| 30 | 851672 |