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 | 63 |
| 3 | 455 |
| 4 | 463 |
| 5 | 471 |
| 6 | 479 |
| 7 | 487 |
| 8 | 495 |
| 9 | 503 |
| 10 | 511 |
| 11 | 3591 |
| 12 | 3663 |
| 13 | 3735 |
| 14 | 3807 |
| 15 | 3879 |
| 16 | 3951 |
| 17 | 4023 |
| 18 | 4095 |
| 19 | 28679 |
| 20 | 28743 |
| 21 | 28807 |
| 22 | 28871 |
| 23 | 28935 |
| 24 | 28999 |
| 25 | 29063 |
| 26 | 29127 |
| 27 | 29199 |
| 28 | 29263 |
| 29 | 29327 |
| 30 | 29391 |
| 31 | 29455 |
| 32 | 29519 |
| 33 | 29583 |
| 34 | 29647 |
| 35 | 29719 |
| 36 | 29783 |