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 | 16 |
| 2 | 48 |
| 3 | 776 |
| 4 | 7697 |
| 5 | 70462 |
| 6 | 680302 |
| 7 | 6935963 |
| 8 | 69699237 |
| 9 | 689683944 |
| 10 | 6830674791 |
| 11 | 67982605070 |
| 12 | 676834294963 |
| 13 | 6729716953557 |
| 14 | 66892941751789 |
| 15 | 665135148008789 |
| 16 | 6614505307422976 |
| 17 | 65773605302169012 |
| 18 | 654010196878214180 |