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A355172 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 1
5 3
6 0
7 1
8 5
9 12
10 0
11 1
12 7
13 25
14 55
15 0
16 1
17 9
18 42
19 130
20 273
21 0
22 1
23 11
24 63
25 245
26 700
27 1428
28 0
29 1
30 13
31 88
32 408
33 1428
34 3876
35 7752
36 0
37 1
38 15
39 117
40 627
41 2565
42 8379
43 21945
44 43263
45 0
46 1
47 17
48 150
49 910
50 4235
51 15939
52 49588
53 126500
54 246675

[1,0,1,0,1,3,0,1,5,12,0,1,7,25,55,0,1,9,42,130,
 273,0,1,11,63,245,700,1428,0,1,13,88,408,1428,
 3876,7752,0,1,15,117,627,2565,8379,21945,43263,0,
 1,17,150,910,4235,15939,49588,126500,246675]

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Last modified August 17 02:18 EDT 2024. Contains 375198 sequences. (Running on oeis4.)