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 | 3299 |
| 2 | 5099 |
| 3 | 6359 |
| 4 | 19469 |
| 5 | 30089 |
| 6 | 53609 |
| 7 | 63689 |
| 8 | 71339 |
| 9 | 77549 |
| 10 | 80909 |
| 11 | 105359 |
| 12 | 119549 |
| 13 | 152939 |
| 14 | 186869 |
| 15 | 292469 |
| 16 | 302969 |
| 17 | 344249 |
| 18 | 348239 |
| 19 | 408209 |
| 20 | 415949 |
| 21 | 652739 |
| 22 | 707669 |
| 23 | 737039 |
| 24 | 792689 |
| 25 | 818339 |
| 26 | 831539 |
| 27 | 852749 |
| 28 | 886979 |
| 29 | 910199 |
| 30 | 974969 |
| 31 | 1072829 |
| 32 | 1152629 |
| 33 | 1290629 |
| 34 | 1368329 |