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 | 161 |
| 2 | 3681 |
| 3 | 91636 |
| 4 | 2265691 |
| 5 | 56126173 |
| 6 | 1389867384 |
| 7 | 34420057373 |
| 8 | 852404560481 |
| 9 | 21109624812630 |
| 10 | 522775448585677 |
| 11 | 12946425187404245 |
| 12 | 320615523780601420 |
| 13 | 7939976687329054275 |
| 14 | 196631869363448682249 |
| 15 | 4869547301285168517052 |