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 | 15683 |
| 2 | 31397 |
| 3 | 43801 |
| 4 | 44293 |
| 5 | 89689 |
| 6 | 221101 |
| 7 | 248909 |
| 8 | 265621 |
| 9 | 282713 |
| 10 | 341357 |
| 11 | 349423 |
| 12 | 370261 |
| 13 | 396733 |
| 14 | 399283 |
| 15 | 404851 |
| 16 | 440581 |
| 17 | 492113 |
| 18 | 517639 |
| 19 | 520451 |
| 20 | 542603 |
| 21 | 544031 |
| 22 | 561109 |
| 23 | 566453 |
| 24 | 566567 |
| 25 | 576791 |
| 26 | 604073 |
| 27 | 626629 |
| 28 | 639757 |
| 29 | 673669 |
| 30 | 678659 |