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A186756 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 1
5 15
6 9
7 52
8 68
9 203
10 507
11 10
12 877
13 3918
14 245
15 4140
16 32057
17 4123
18 21147
19 280700
20 60753
21 280
22 115975
23 2645611
24 853914
25 13300
26 678570
27 26917867
28 11923428
29 396935
30 4213597
31 295934526
32 169127222
33 9710855
34 15400
35 27644437
36 3513447546
37 2469452843
38 215274774
39 1201200

[1,1,2,5,1,15,9,52,68,203,507,10,877,3918,245,
 4140,32057,4123,21147,280700,60753,280,115975,
 2645611,853914,13300,678570,26917867,11923428,
 396935,4213597,295934526,169127222,9710855,15400,
 27644437,3513447546,2469452843,215274774,1201200]

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Last modified September 9 09:04 EDT 2024. Contains 375762 sequences. (Running on oeis4.)