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 | 7 |
| 2 | 37 |
| 3 | 43 |
| 4 | 223 |
| 5 | 1297 |
| 6 | 1303 |
| 7 | 1549 |
| 8 | 7993 |
| 9 | 9109 |
| 10 | 46663 |
| 11 | 54469 |
| 12 | 55987 |
| 13 | 281233 |
| 14 | 326593 |
| 15 | 327889 |
| 16 | 335917 |
| 17 | 1679653 |
| 18 | 1679659 |
| 19 | 1679833 |
| 20 | 1680919 |
| 21 | 1681129 |
| 22 | 1687393 |
| 23 | 1726273 |
| 24 | 1726489 |
| 25 | 1727569 |
| 26 | 1727827 |
| 27 | 1734049 |
| 28 | 1960891 |
| 29 | 1961107 |
| 30 | 1967587 |
| 31 | 2006461 |