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 | 2 |
| 2 | 3 |
| 3 | 13 |
| 4 | 17 |
| 5 | 23 |
| 6 | 47 |
| 7 | 137 |
| 8 | 257 |
| 9 | 521 |
| 10 | 577 |
| 11 | 727 |
| 12 | 739 |
| 13 | 1033 |
| 14 | 1153 |
| 15 | 1181 |
| 16 | 1471 |
| 17 | 2081 |
| 18 | 2113 |
| 19 | 3251 |
| 20 | 4129 |
| 21 | 4253 |
| 22 | 8209 |
| 23 | 8329 |
| 24 | 8353 |
| 25 | 11597 |
| 26 | 11677 |
| 27 | 11779 |
| 28 | 11971 |
| 29 | 12503 |
| 30 | 16417 |
| 31 | 17053 |
| 32 | 18433 |
| 33 | 18583 |
| 34 | 24799 |
| 35 | 26317 |
| 36 | 32801 |
| 37 | 32833 |
| 38 | 35267 |
| 39 | 35393 |
| 40 | 46703 |
| 41 | 52177 |
| 42 | 65537 |
| 43 | 66569 |
| 44 | 74257 |
| 45 | 92801 |
| 46 | 98327 |