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 | 19 |
| 2 | 601 |
| 3 | 1601 |
| 4 | 16661 |
| 5 | 16981 |
| 6 | 19609 |
| 7 | 60689 |
| 8 | 66809 |
| 9 | 69001 |
| 10 | 69011 |
| 11 | 100169 |
| 12 | 119191 |
| 13 | 189901 |
| 14 | 196919 |
| 15 | 616961 |
| 16 | 1061689 |
| 17 | 1088089 |
| 18 | 1091119 |
| 19 | 1106069 |
| 20 | 1196089 |
| 21 | 1198069 |
| 22 | 1611601 |
| 23 | 1666019 |
| 24 | 1688969 |
| 25 | 1800119 |
| 26 | 1861889 |
| 27 | 1891619 |
| 28 | 1891661 |
| 29 | 1910669 |
| 30 | 1996681 |
| 31 | 6060091 |
| 32 | 6160601 |
| 33 | 6196909 |