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 | 5 |
| 3 | 17 |
| 4 | 155 |
| 5 | 257 |
| 6 | 287 |
| 7 | 365 |
| 8 | 805 |
| 9 | 1067 |
| 10 | 2147 |
| 11 | 3383 |
| 12 | 4551 |
| 13 | 6107 |
| 14 | 7701 |
| 15 | 8177 |
| 16 | 9269 |
| 17 | 11285 |
| 18 | 12557 |
| 19 | 12971 |
| 20 | 16403 |
| 21 | 19229 |
| 22 | 19277 |
| 23 | 20273 |
| 24 | 25133 |
| 25 | 26405 |
| 26 | 27347 |
| 27 | 29155 |
| 28 | 29575 |
| 29 | 35645 |
| 30 | 36419 |
| 31 | 38369 |
| 32 | 39647 |
| 33 | 40495 |
| 34 | 47215 |
| 35 | 52235 |
| 36 | 54653 |
| 37 | 65537 |
| 38 | 84863 |