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A063866 as a simple table

n a(n)
0 0
1 1
2 1
3 0
4 0
5 3
6 5
7 0
8 0
9 23
10 40
11 0
12 0
13 221
14 397
15 0
16 0
17 2410
18 4441
19 0
20 0
21 28460
22 53222
23 0
24 0
25 353743
26 668273
27 0
28 0
29 4559828
30 8679280
31 0
32 0
33 60400688
34 115633260
35 0
36 0
37 817175698
38 1571588177
39 0
40 0
41 11243980807
42 21704569869
43 0
44 0
45 156860869714

[0,1,1,0,0,3,5,0,0,23,40,0,0,221,397,0,0,2410,
 4441,0,0,28460,53222,0,0,353743,668273,0,0,
 4559828,8679280,0,0,60400688,115633260,0,0,
 817175698,1571588177,0,0,11243980807,21704569869,
 0,0,156860869714]

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)