Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 5 |
2 | 2 |
3 | 20 |
4 | 104 |
5 | 560 |
6 | 3008 |
7 | 16160 |
8 | 86816 |
9 | 466400 |
10 | 2505632 |
11 | 13460960 |
12 | 72316064 |
13 | 388502240 |
14 | 2087143328 |
15 | 11212721120 |
16 | 60237892256 |
17 | 323614903520 |
18 | 1738550302112 |
19 | 9339981317600 |
20 | 50177007192224 |
21 | 269564998596320 |
22 | 1448179007366048 |
23 | 7780025034022880 |
24 | 41796483184846496 |
[5,2,20,104,560,3008,16160,86816,466400,2505632, 13460960,72316064,388502240,2087143328, 11212721120,60237892256,323614903520, 1738550302112,9339981317600,50177007192224, 269564998596320,1448179007366048,7780025034022880, 41796483184846496] |