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 | 3 |
| 2 | 39 |
| 3 | 837 |
| 4 | 24936 |
| 5 | 956311 |
| 6 | 44854574 |
| 7 | 2487341345 |
| 8 | 159191134379 |
| 9 | 11548655840413 |
| 10 | 936480474760830 |
| 11 | 83939839868599397 |
| 12 | 8240876863689762814 |
| 13 | 879451562846500470846 |
| 14 | 101365628435563005374929 |