n | a(n) |
---|---|
1 | 2 |
2 | 13 |
3 | 3 |
4 | 365 |
5 | 105 |
6 | 42 |
7 | 43801 |
8 | 12915 |
9 | 6300 |
10 | 2520 |
11 | 21725297 |
12 | 6412815 |
13 | 3228960 |
14 | 1562400 |
15 | 624960 |
16 | 43798198753 |
17 | 12928608063 |
18 | 6533019360 |
19 | 3254791680 |
20 | 1574899200 |
21 | 629959680 |
22 | 355991759464385 |
23 | 105083758588095 |
24 | 53109556520832 |
25 | 26576858972160 |
26 | 13227473387520 |
27 | 6400390348800 |
28 | 2560156139520 |
[2,13,3,365,105,42,43801,12915,6300,2520,21725297, 6412815,3228960,1562400,624960,43798198753, 12928608063,6533019360,3254791680,1574899200, 629959680,355991759464385,105083758588095, 53109556520832,26576858972160,13227473387520, 6400390348800,2560156139520] |