Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
9 | 0 |
10 | 1 |
11 | 1 |
12 | 3 |
13 | 8 |
14 | 22 |
15 | 60 |
16 | 167 |
17 | 465 |
18 | 1306 |
19 | 3682 |
20 | 10423 |
21 | 29597 |
22 | 84309 |
23 | 240735 |
24 | 688941 |
25 | 1975403 |
26 | 5673911 |
27 | 16322021 |
28 | 47018402 |
29 | 135613575 |
30 | 391590057 |
31 | 1131902512 |
32 | 3274898117 |
33 | 9483405678 |
34 | 27483959193 |
35 | 79710664789 |
36 | 231340909288 |
37 | 671840817408 |
38 | 1952268260256 |
39 | 5676162227486 |
[0,1,1,3,8,22,60,167,465,1306,3682,10423,29597, 84309,240735,688941,1975403,5673911,16322021, 47018402,135613575,391590057,1131902512, 3274898117,9483405678,27483959193,79710664789, 231340909288,671840817408,1952268260256, 5676162227486] |