Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 2 |
6 | 1 |
7 | 5 |
8 | 4 |
9 | 15 |
10 | 14 |
11 | 48 |
12 | 49 |
13 | 159 |
14 | 173 |
15 | 540 |
16 | 616 |
17 | 1869 |
18 | 2211 |
19 | 6565 |
20 | 7994 |
21 | 23335 |
22 | 29092 |
23 | 83756 |
24 | 106489 |
25 | 303093 |
26 | 391815 |
27 | 1104490 |
28 | 1448313 |
29 | 4049108 |
30 | 5375784 |
31 | 14922313 |
32 | 20028144 |
33 | 55248554 |
34 | 74869485 |
35 | 205394737 |
36 | 280737471 |
37 | 766396430 |
38 | 1055627409 |
39 | 2869157740 |
40 | 3979545798 |
41 | 10773488687 |
42 | 15037617603 |
[1,0,0,1,0,2,1,5,4,15,14,48,49,159,173,540,616, 1869,2211,6565,7994,23335,29092,83756,106489, 303093,391815,1104490,1448313,4049108,5375784, 14922313,20028144,55248554,74869485,205394737, 280737471,766396430,1055627409,2869157740, 3979545798,10773488687,15037617603] |