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 | 15 |
4 | 96 |
5 | 945 |
6 | 10170 |
7 | 135135 |
8 | 2016000 |
9 | 34459425 |
10 | 653836050 |
11 | 13749310575 |
12 | 316126087200 |
13 | 7905853580625 |
14 | 213439785208650 |
15 | 6190283353629375 |
16 | 191894675132160000 |
17 | 6332659870762850625 |
18 | 221641908024728441250 |
19 | 8200794532637891559375 |
20 | 319830558102716120460000 |