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 | 5 |
2 | 21 |
3 | 173 |
4 | 2121 |
5 | 34521 |
6 | 700365 |
7 | 17017605 |
8 | 481714065 |
9 | 15566262705 |
10 | 565382074005 |
11 | 22800157775325 |
12 | 1010786809534425 |
13 | 48858860891558025 |
14 | 2557374374022392925 |
15 | 144098786151306911925 |
16 | 8696418977823430478625 |