Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 3 |
7 | 9 |
8 | 25 |
9 | 63 |
10 | 152 |
11 | 355 |
12 | 809 |
13 | 1804 |
14 | 3963 |
15 | 8590 |
16 | 18423 |
17 | 39161 |
18 | 82620 |
19 | 173198 |
20 | 361101 |
21 | 749326 |
22 | 1548609 |
23 | 3189132 |
24 | 6547190 |
25 | 13404613 |
[0,0,0,0,0,1,3,9,25,63,152,355,809,1804,3963,8590, 18423,39161,82620,173198,361101,749326,1548609, 3189132,6547190,13404613] |