Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 2 |
7 | 3 |
8 | 15 |
9 | 20 |
10 | 60 |
11 | 75 |
12 | 175 |
13 | 210 |
14 | 435 |
15 | 511 |
16 | 1071 |
17 | 1260 |
18 | 2940 |
19 | 3510 |
20 | 8910 |
21 | 10725 |
22 | 27345 |
23 | 32835 |
24 | 80795 |
25 | 96382 |
26 | 230230 |
27 | 273273 |
28 | 649805 |
29 | 770315 |
30 | 1860131 |
31 | 2208115 |
32 | 5426995 |
33 | 6451500 |
34 | 15974220 |
[0,0,0,0,0,2,3,15,20,60,75,175,210,435,511,1071, 1260,2940,3510,8910,10725,27345,32835,80795,96382, 230230,273273,649805,770315,1860131,2208115, 5426995,6451500,15974220] |