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 | 239 |
| 2 | 599 |
| 3 | 839 |
| 4 | 1439 |
| 5 | 3119 |
| 6 | 4799 |
| 7 | 9239 |
| 8 | 34439 |
| 9 | 41399 |
| 10 | 45119 |
| 11 | 59399 |
| 12 | 63839 |
| 13 | 123239 |
| 14 | 139439 |
| 15 | 142799 |
| 16 | 186239 |
| 17 | 206039 |
| 18 | 235439 |
| 19 | 244199 |
| 20 | 248639 |
| 21 | 257639 |
| 22 | 285599 |
| 23 | 290399 |
| 24 | 300119 |
| 25 | 320039 |
| 26 | 361799 |
| 27 | 465119 |
| 28 | 508799 |
| 29 | 588239 |
| 30 | 602039 |
| 31 | 608999 |
| 32 | 666119 |