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 | 4920 |
| 2 | 801528 |
| 3 | 1484280 |
| 4 | 5351640 |
| 5 | 7257720 |
| 6 | 7647360 |
| 7 | 12168912 |
| 8 | 12302472 |
| 9 | 15540360 |
| 10 | 17348520 |
| 11 | 21623160 |
| 12 | 25639320 |
| 13 | 27285048 |
| 14 | 27462840 |
| 15 | 27470352 |
| 16 | 34714680 |
| 17 | 35684040 |
| 18 | 38466288 |
| 19 | 48449640 |
| 20 | 49936152 |
| 21 | 51272760 |
| 22 | 54037368 |
| 23 | 60948888 |