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 | 7 |
| 3 | 61 |
| 4 | 79 |
| 5 | 139 |
| 6 | 223 |
| 7 | 317 |
| 8 | 439 |
| 9 | 619 |
| 10 | 1087 |
| 11 | 1669 |
| 12 | 2593 |
| 13 | 3593 |
| 14 | 4093 |
| 15 | 5179 |
| 16 | 6079 |
| 17 | 8461 |
| 18 | 12541 |
| 19 | 13687 |
| 20 | 16633 |
| 21 | 19037 |
| 22 | 19597 |
| 23 | 25261 |
| 24 | 27211 |
| 25 | 28219 |
| 26 | 29581 |
| 27 | 36857 |
| 28 | 38011 |
| 29 | 39199 |
| 30 | 45361 |
| 31 | 46649 |
| 32 | 47521 |
| 33 | 51977 |
| 34 | 56167 |
| 35 | 74527 |
| 36 | 87013 |
| 37 | 88801 |
| 38 | 91807 |
| 39 | 92413 |
| 40 | 95479 |
| 41 | 103681 |