Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 10 |
4 | 60 |
5 | 242 |
6 | 1032 |
7 | 4220 |
8 | 16376 |
9 | 62564 |
10 | 235728 |
11 | 875630 |
12 | 3220084 |
13 | 11746262 |
14 | 42545240 |
15 | 153181664 |
16 | 548710320 |
17 | 1956760904 |
18 | 6950669984 |
19 | 24604072658 |
20 | 86824376236 |
21 | 305540509370 |
22 | 1072522794920 |
23 | 3756266150212 |
24 | 13128230615656 |
[0,0,10,60,242,1032,4220,16376,62564,235728, 875630,3220084,11746262,42545240,153181664, 548710320,1956760904,6950669984,24604072658, 86824376236,305540509370,1072522794920, 3756266150212,13128230615656] |