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 | 561 |
| 2 | 1105 |
| 3 | 46657 |
| 4 | 52633 |
| 5 | 188461 |
| 6 | 670033 |
| 7 | 825265 |
| 8 | 838201 |
| 9 | 1082809 |
| 10 | 2455921 |
| 11 | 2628073 |
| 12 | 4463641 |
| 13 | 4767841 |
| 14 | 5632705 |
| 15 | 8830801 |
| 16 | 11119105 |
| 17 | 13187665 |
| 18 | 16778881 |
| 19 | 18307381 |
| 20 | 18900973 |
| 21 | 21584305 |
| 22 | 22665505 |
| 23 | 31146661 |
| 24 | 31405501 |
| 25 | 31692805 |
| 26 | 34657141 |
| 27 | 36765901 |
| 28 | 38624041 |
| 29 | 40280065 |