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 | 128 |
| 2 | 28657 |
| 3 | 12100000 |
| 4 | 1861931060 |
| 5 | 448121165789 |
| 6 | 98725402363225 |
| 7 | 23180312098708413 |
| 8 | 5190313095361393549 |
| 9 | 1189964170757867345445 |
| 10 | 271062838744567222384845 |
| 11 | 61955353860458361394198745 |
| 12 | 14139394538378320773485110770 |
| 13 | 3228834241484744624868474176520 |