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) |
---|---|
0 | 1 |
1 | 1 |
2 | 15 |
3 | 2639 |
4 | 5100561 |
5 | 105518291153 |
6 | 23067254643457375 |
7 | 52901008815129395889375 |
8 | 1266973371422697144030728637409 |
9 | 315937379766837559600972497421046382689 |
10 | 818563964325891485548944567913851815851212484079 |