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 | 1 |
6 | 2 |
7 | 6 |
8 | 15 |
9 | 30 |
10 | 66 |
11 | 121 |
12 | 242 |
13 | 462 |
14 | 903 |
15 | 1806 |
16 | 3570 |
17 | 7225 |
18 | 14450 |
19 | 29070 |
20 | 58311 |
21 | 116622 |
22 | 233586 |
23 | 466489 |
24 | 932978 |
25 | 1864590 |
26 | 3727815 |
27 | 7455630 |
28 | 14908530 |
29 | 29822521 |
30 | 59645042 |
31 | 119301006 |
32 | 238612935 |
33 | 477225870 |
34 | 954473586 |
35 | 1908903481 |
36 | 3817806962 |
37 | 7635526542 |
[0,0,0,0,1,2,6,15,30,66,121,242,462,903,1806,3570, 7225,14450,29070,58311,116622,233586,466489, 932978,1864590,3727815,7455630,14908530,29822521, 59645042,119301006,238612935,477225870,954473586, 1908903481,3817806962,7635526542] |