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 | 2 |
| 2 | 11 |
| 3 | 281 |
| 4 | 21701 |
| 5 | 42923 |
| 6 | 72227 |
| 7 | 73037 |
| 8 | 78887 |
| 9 | 79697 |
| 10 | 100109 |
| 11 | 119891 |
| 12 | 122321 |
| 13 | 128981 |
| 14 | 138683 |
| 15 | 178697 |
| 16 | 1360631 |
| 17 | 1394831 |
| 18 | 1591841 |
| 19 | 1598951 |
| 20 | 1607051 |
| 21 | 1958591 |
| 22 | 1982891 |
| 23 | 2188811 |
| 24 | 2401031 |
| 25 | 2490941 |
| 26 | 2793071 |
| 27 | 3382733 |
| 28 | 3555443 |
| 29 | 3586853 |