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 | 62745 |
| 3 | 656601 |
| 4 | 11921001 |
| 5 | 26719701 |
| 6 | 45318561 |
| 7 | 174352641 |
| 8 | 230996949 |
| 9 | 662086041 |
| 10 | 684106401 |
| 11 | 689880801 |
| 12 | 1534274841 |
| 13 | 1848112761 |
| 14 | 2176838049 |
| 15 | 3022354401 |
| 16 | 5860426881 |
| 17 | 6025532241 |
| 18 | 6097778961 |
| 19 | 7281824001 |
| 20 | 7397902401 |
| 21 | 10031651841 |
| 22 | 10054063041 |
| 23 | 10585115841 |