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 | 1 |
2 | 13 |
3 | 405 |
4 | 23058 |
5 | 2078375 |
6 | 271739011 |
7 | 48574262275 |
8 | 11373936899396 |
9 | 3377498614484589 |
10 | 1240006139651007925 |
11 | 551449374186192949841 |
12 | 292093390490112799117190 |
13 | 181694111127303339553250275 |
14 | 131144830297438122797495823519 |
15 | 108709456000518111261404495694375 |