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 | 181 |
| 2 | 199 |
| 3 | 221 |
| 4 | 865 |
| 5 | 995 |
| 6 | 1145 |
| 7 | 5009 |
| 8 | 5771 |
| 9 | 6649 |
| 10 | 29189 |
| 11 | 33631 |
| 12 | 38749 |
| 13 | 170125 |
| 14 | 196015 |
| 15 | 225845 |
| 16 | 991561 |
| 17 | 1142459 |
| 18 | 1316321 |
| 19 | 5779241 |
| 20 | 6658739 |
| 21 | 7672081 |
| 22 | 33683885 |
| 23 | 38809975 |
| 24 | 44716165 |
| 25 | 196324069 |
| 26 | 226201111 |
| 27 | 260624909 |
| 28 | 1144260529 |
| 29 | 1318396691 |