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A155493 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 15
5 1
6 1
7 118
8 118
9 1
10 1
11 770
12 3540
13 770
14 1
15 1
16 4671
17 67810
18 67810
19 4671
20 1
21 1
22 27321
23 1039689
24 3085355
25 1039689
26 27321
27 1
28 1
29 156220
30 14006244
31 99524810
32 99524810
33 14006244
34 156220
35 1
36 1
37 878868
38 173788752
39 2602528824
40 6090918372
41 2602528824
42 173788752
43 878868
44 1

[1,1,1,1,15,1,1,118,118,1,1,770,3540,770,1,1,4671,
 67810,67810,4671,1,1,27321,1039689,3085355,
 1039689,27321,1,1,156220,14006244,99524810,
 99524810,14006244,156220,1,1,878868,173788752,
 2602528824,6090918372,2602528824,173788752,878868,
 1]

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Last modified April 19 11:14 EDT 2024. Contains 371791 sequences. (Running on oeis4.)