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 | 2295937600 |
| 2 | 4335900525 |
| 3 | 6251954544 |
| 4 | 8986552608 |
| 5 | 13413708308 |
| 6 | 14539246326 |
| 7 | 15277569450 |
| 8 | 15728636000 |
| 9 | 16770321920 |
| 10 | 16873011232 |
| 11 | 17572402769 |
| 12 | 17713454592 |
| 13 | 17960776999 |
| 14 | 18190647200 |
| 15 | 19621666592 |
| 16 | 20570070125 |
| 17 | 20827689300 |
| 18 | 22322555200 |
| 19 | 23461554774 |
| 20 | 23613244800 |