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 | 179 |
| 3 | 521 |
| 4 | 809 |
| 5 | 1619 |
| 6 | 1871 |
| 7 | 2087 |
| 8 | 2339 |
| 9 | 3257 |
| 10 | 3329 |
| 11 | 4049 |
| 12 | 4337 |
| 13 | 4931 |
| 14 | 5651 |
| 15 | 5849 |
| 16 | 6569 |
| 17 | 6659 |
| 18 | 6947 |
| 19 | 7487 |
| 20 | 8009 |
| 21 | 8387 |
| 22 | 8819 |
| 23 | 8999 |
| 24 | 10529 |
| 25 | 10889 |
| 26 | 11699 |
| 27 | 12239 |
| 28 | 14561 |
| 29 | 15137 |
| 30 | 16361 |
| 31 | 16451 |
| 32 | 16649 |
| 33 | 17657 |
| 34 | 17747 |
| 35 | 19079 |
| 36 | 19889 |
| 37 | 19961 |
| 38 | 20231 |
| 39 | 20771 |
| 40 | 20807 |
| 41 | 21059 |
| 42 | 22481 |
| 43 | 22697 |
| 44 | 23039 |
| 45 | 23201 |