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) |
---|---|
12 | 1 |
13 | 1865813431 |
14 | 4177511710786827427 |
15 | 9051628015237517688012698587 |
16 | 19718638974813744289323111717093729163 |
17 | 42917665763197914342331213431251480044434903403 |