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 | 506240 |
| 2 | 789750 |
| 3 | 1325312 |
| 4 | 1567350 |
| 5 | 1761750 |
| 6 | 1944800 |
| 7 | 2450240 |
| 8 | 2579840 |
| 9 | 3004928 |
| 10 | 3013686 |
| 11 | 3093750 |
| 12 | 3153654 |
| 13 | 3713526 |
| 14 | 3844736 |
| 15 | 3906240 |
| 16 | 4024566 |
| 17 | 4394240 |
| 18 | 5244416 |
| 19 | 5402240 |
| 20 | 5431040 |
| 21 | 6208640 |
| 22 | 6310710 |
| 23 | 6932790 |
| 24 | 7053750 |
| 25 | 7352694 |
| 26 | 7585974 |
| 27 | 8005878 |
| 28 | 8043776 |
| 29 | 8099190 |