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A203057 as a simple table

n a(n)
1 1
2 6
3 6
4 36
5 286
6 36
7 161
8 7820
9 7820
10 161
11 636
12 177290
13 1055370
14 177290
15 636
16 2507
17 4078368
18 125838722
19 125838722
20 4078368
21 2507
22 10213
23 96511488
24 15517802234
25 78243755382
26 15517802234
27 96511488
28 10213
29 42182
30 2282090278
31 1938869645102

[1,6,6,36,286,36,161,7820,7820,161,636,177290,
 1055370,177290,636,2507,4078368,125838722,
 125838722,4078368,2507,10213,96511488,15517802234,
 78243755382,15517802234,96511488,10213,42182,
 2282090278,1938869645102]

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Last modified September 23 22:32 EDT 2020. Contains 337315 sequences. (Running on oeis4.)