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 | 8916100448256 |
| 2 | 4458050224128 |
| 3 | 2972033482752 |
| 4 | 2229025112064 |
| 5 | 1783220089651 |
| 6 | 1486016741376 |
| 7 | 1273728635465 |
| 8 | 1114512556032 |
| 9 | 990677827584 |
| 10 | 891610044825 |
| 11 | 810554586205 |
| 12 | 743008370688 |
| 13 | 685853880635 |
| 14 | 636864317732 |
| 15 | 594406696550 |