Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
3 | 1 |
4 | 3 |
5 | 7 |
6 | 13 |
7 | 38 |
8 | 180 |
9 | 805 |
10 | 3814 |
11 | 25700 |
12 | 220335 |
13 | 2064779 |
14 | 23174247 |
15 | 331474649 |
16 | 5713874467 |
17 | 116010028877 |
18 | 2863484145009 |
19 | 86429492811884 |
20 | 3140385298427338 |
21 | 137283404960168681 |
22 | 7274093873738312075 |
[1,3,7,13,38,180,805,3814,25700,220335,2064779, 23174247,331474649,5713874467,116010028877, 2863484145009,86429492811884,3140385298427338, 137283404960168681,7274093873738312075] |