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 | 2 |
2 | 6 |
3 | 30 |
4 | 70 |
5 | 210 |
6 | 2310 |
7 | 10010 |
8 | 6006 |
9 | 510510 |
10 | 461890 |
11 | 9699690 |
12 | 31870410 |
13 | 74364290 |
14 | 223092870 |
15 | 6469693230 |
16 | 6077590610 |
17 | 200560490130 |
18 | 200560490130 |
19 | 494715875654 |
20 | 674612557710 |
21 | 60850052705442 |
22 | 872184088778002 |
23 | 13082761331670030 |