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 | 510510 |
| 2 | 9699690 |
| 3 | 223092870 |
| 4 | 6469693230 |
| 5 | 7420738134810 |
| 6 | 13082761331670030 |
| 7 | 614889782588491410 |
| 8 | 32589158477190044730 |
| 9 | 1922760350154212639070 |
| 10 | 117288381359406970983270 |
| 11 | 7858321551080267055879090 |