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 | 1515 |
| 3 | 1689 |
| 4 | 3327 |
| 5 | 4461 |
| 6 | 4641 |
| 7 | 4965 |
| 8 | 5043 |
| 9 | 5583 |
| 10 | 5709 |
| 11 | 6183 |
| 12 | 7089 |
| 13 | 9291 |
| 14 | 9369 |
| 15 | 9699 |
| 16 | 10125 |
| 17 | 11109 |
| 18 | 14175 |
| 19 | 15081 |
| 20 | 18393 |
| 21 | 20295 |
| 22 | 26955 |
| 23 | 27009 |
| 24 | 27219 |
| 25 | 29067 |
| 26 | 30513 |
| 27 | 30807 |
| 28 | 35355 |
| 29 | 35889 |
| 30 | 36003 |
| 31 | 37935 |
| 32 | 40107 |
| 33 | 43461 |
| 34 | 48045 |
| 35 | 49005 |
| 36 | 51783 |
| 37 | 53289 |
| 38 | 55527 |
| 39 | 58833 |
| 40 | 61203 |