Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 6 |
4 | 36 |
5 | 160 |
6 | 676 |
7 | 2692 |
8 | 10352 |
9 | 38868 |
10 | 143276 |
11 | 520736 |
12 | 1871380 |
13 | 6663484 |
14 | 23545568 |
15 | 82661076 |
16 | 288590204 |
17 | 1002706896 |
18 | 3469289876 |
19 | 11959062188 |
20 | 41088781264 |
21 | 140757051348 |
22 | 480912678028 |
23 | 1639160372000 |
24 | 5574818816340 |
[0,0,6,36,160,676,2692,10352,38868,143276,520736, 1871380,6663484,23545568,82661076,288590204, 1002706896,3469289876,11959062188,41088781264, 140757051348,480912678028,1639160372000, 5574818816340] |