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 | 73 |
| 2 | 457 |
| 3 | 1801 |
| 4 | 3049 |
| 5 | 3529 |
| 6 | 4057 |
| 7 | 8209 |
| 8 | 10369 |
| 9 | 19609 |
| 10 | 20809 |
| 11 | 33289 |
| 12 | 41521 |
| 13 | 51217 |
| 14 | 84121 |
| 15 | 103969 |
| 16 | 111409 |
| 17 | 115201 |
| 18 | 121081 |
| 19 | 129049 |
| 20 | 141529 |
| 21 | 150169 |
| 22 | 155689 |
| 23 | 180097 |
| 24 | 223129 |
| 25 | 282769 |
| 26 | 308929 |
| 27 | 342841 |
| 28 | 397849 |
| 29 | 426889 |
| 30 | 432457 |
| 31 | 627217 |
| 32 | 649801 |
| 33 | 658969 |
| 34 | 710449 |
| 35 | 729649 |