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 | 289 |
| 2 | 295 |
| 3 | 305 |
| 4 | 325 |
| 5 | 361 |
| 6 | 433 |
| 7 | 569 |
| 8 | 841 |
| 9 | 1369 |
| 10 | 2425 |
| 11 | 4505 |
| 12 | 8665 |
| 13 | 16921 |
| 14 | 33433 |
| 15 | 66329 |
| 16 | 132121 |
| 17 | 263449 |
| 18 | 526105 |
| 19 | 1050905 |
| 20 | 2100505 |
| 21 | 4198681 |
| 22 | 8395033 |
| 23 | 16785689 |
| 24 | 33567001 |
| 25 | 67125529 |
| 26 | 134242585 |
| 27 | 268468505 |
| 28 | 536920345 |
| 29 | 1073807641 |
| 30 | 2147582233 |
| 31 | 4295098649 |