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 | 41 |
| 2 | 149 |
| 3 | 5189 |
| 4 | 39209 |
| 5 | 186629 |
| 6 | 213449 |
| 7 | 1127849 |
| 8 | 1192469 |
| 9 | 1695209 |
| 10 | 2965289 |
| 11 | 3732629 |
| 12 | 4359749 |
| 13 | 4460549 |
| 14 | 5673929 |
| 15 | 6718469 |
| 16 | 7225349 |
| 17 | 11370389 |
| 18 | 12446789 |
| 19 | 12830729 |
| 20 | 14607689 |
| 21 | 14837909 |
| 22 | 16016009 |
| 23 | 17040389 |
| 24 | 17288969 |
| 25 | 20684309 |