Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | -1 |
4 | 0 |
5 | 3 |
6 | 0 |
7 | -1 |
8 | 4 |
9 | 21 |
10 | 1 |
11 | -1 |
12 | 5 |
13 | 55 |
14 | 209 |
15 | 0 |
16 | 0 |
17 | 6 |
18 | 144 |
19 | 780 |
20 | 2640 |
21 | -1 |
22 | 1 |
23 | 7 |
24 | 377 |
25 | 2911 |
26 | 12649 |
27 | 40391 |
28 | 0 |
29 | 1 |
30 | 8 |
31 | 987 |
32 | 10864 |
33 | 60605 |
34 | 235416 |
35 | 726103 |
36 | 1 |
37 | 0 |
38 | 9 |
39 | 2584 |
40 | 40545 |
41 | 290376 |
42 | 1372105 |
43 | 4976784 |
44 | 15003009 |
45 | 0 |
46 | -1 |
47 | 10 |
48 | 6765 |
49 | 151316 |
50 | 1391275 |
51 | 7997214 |
52 | 34111385 |
53 | 118118440 |
54 | 350382231 |
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