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 | 2 |
3 | 6 |
4 | 34 |
5 | 285 |
6 | 3171 |
7 | 44023 |
8 | 732740 |
9 | 14220153 |
10 | 315233605 |
11 | 7857947691 |
12 | 217541911830 |
13 | 6621714803509 |
14 | 219780508232663 |
15 | 7899055867765455 |
16 | 305601002241052936 |
17 | 12662255840668015089 |
18 | 559390257977596068105 |
19 | 26246546675302419239635 |
20 | 1303417502979112415328410 |