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 | 2857 |
| 2 | 57 |
| 3 | 1 |
| 4 | 22857 |
| 5 | 457 |
| 6 | 9 |
| 7 | 182857 |
| 8 | 3657 |
| 9 | 73 |
| 10 | 1462857 |
| 11 | 29257 |
| 12 | 585 |
| 13 | 11702857 |
| 14 | 234057 |
| 15 | 4681 |
| 16 | 93622857 |
| 17 | 1872457 |
| 18 | 37449 |
| 19 | 748982857 |
| 20 | 14979657 |
| 21 | 299593 |
| 22 | 5991862857 |
| 23 | 119837257 |
| 24 | 2396745 |
| 25 | 47934902857 |
| 26 | 958698057 |
| 27 | 19173961 |