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 | 2047 |
| 2 | 3277 |
| 3 | 4033 |
| 4 | 8321 |
| 5 | 65281 |
| 6 | 80581 |
| 7 | 85489 |
| 8 | 88357 |
| 9 | 104653 |
| 10 | 130561 |
| 11 | 220729 |
| 12 | 253241 |
| 13 | 256999 |
| 14 | 280601 |
| 15 | 390937 |
| 16 | 458989 |
| 17 | 486737 |
| 18 | 514447 |
| 19 | 580337 |
| 20 | 818201 |
| 21 | 838861 |
| 22 | 877099 |
| 23 | 916327 |
| 24 | 976873 |
| 25 | 1016801 |
| 26 | 1082401 |
| 27 | 1145257 |
| 28 | 1194649 |
| 29 | 1207361 |
| 30 | 1251949 |
| 31 | 1252697 |
| 32 | 1325843 |