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 | 7949 |
| 2 | 25589 |
| 3 | 55799 |
| 4 | 61379 |
| 5 | 69959 |
| 6 | 70229 |
| 7 | 74609 |
| 8 | 174569 |
| 9 | 188369 |
| 10 | 204719 |
| 11 | 220469 |
| 12 | 225629 |
| 13 | 233759 |
| 14 | 250919 |
| 15 | 286619 |
| 16 | 363659 |
| 17 | 552749 |
| 18 | 592139 |
| 19 | 658349 |
| 20 | 735419 |
| 21 | 783269 |
| 22 | 827549 |
| 23 | 931949 |
| 24 | 1018889 |
| 25 | 1065839 |
| 26 | 1126319 |
| 27 | 1132739 |
| 28 | 1187939 |
| 29 | 1215629 |
| 30 | 1378529 |