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 | 8 |
| 2 | 88 |
| 3 | 976 |
| 4 | 10460 |
| 5 | 103556 |
| 6 | 938128 |
| 7 | 7989940 |
| 8 | 65768448 |
| 9 | 532548628 |
| 10 | 4281269376 |
| 11 | 34316191340 |
| 12 | 274736779444 |
| 13 | 2198552029712 |
| 14 | 17590557578440 |
| 15 | 140731669092632 |
| 16 | 1125878500233800 |
| 17 | 9007118671839640 |
| 18 | 72057285402401144 |
| 19 | 576459555378977560 |