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 | 3 |
3 | 48 |
4 | 1510 |
5 | 71280 |
6 | 4511808 |
7 | 361640832 |
8 | 35516910960 |
9 | 4184770003200 |
10 | 582762638275840 |
11 | 94800017774905344 |
12 | 17836975939663156224 |
13 | 3847898790157443653632 |
14 | 944223655310222217584640 |
15 | 261663903298936561335828480 |
16 | 81353978185283974468642093056 |
17 | 28208743160867030634605718994944 |
18 | 10849126423364041648181194666082304 |
19 | 4605289001051501407092469612444385280 |