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 | 525 |
| 2 | 1281 |
| 3 | 2709 |
| 4 | 3759 |
| 5 | 4179 |
| 6 | 6531 |
| 7 | 9849 |
| 8 | 10185 |
| 9 | 14385 |
| 10 | 15771 |
| 11 | 18585 |
| 12 | 19929 |
| 13 | 21315 |
| 14 | 22869 |
| 15 | 22995 |
| 16 | 23121 |
| 17 | 32739 |
| 18 | 33285 |
| 19 | 39249 |
| 20 | 39669 |
| 21 | 44499 |
| 22 | 46431 |
| 23 | 48069 |
| 24 | 48531 |
| 25 | 49329 |
| 26 | 49875 |
| 27 | 51891 |
| 28 | 54411 |
| 29 | 59535 |
| 30 | 61131 |
| 31 | 62055 |
| 32 | 64239 |
| 33 | 64365 |
| 34 | 67431 |
| 35 | 68775 |