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 | 10854718875 |
| 2 | 12131744625 |
| 3 | 13408770375 |
| 4 | 18091198125 |
| 5 | 19538493975 |
| 6 | 20219574375 |
| 7 | 21070924875 |
| 8 | 22347950625 |
| 9 | 22915517625 |
| 10 | 23880381525 |
| 11 | 24902002125 |
| 12 | 25327677375 |
| 13 | 28307404125 |
| 14 | 28733079375 |
| 15 | 29462808375 |
| 16 | 32564156625 |
| 17 | 35118208125 |
| 18 | 36395233875 |
| 19 | 39800635875 |
| 20 | 40226311125 |