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A027477 as a simple table

n a(n)
1 1
2 3
3 1
4 23
5 12
6 1
7 330
8 215
9 30
10 1
11 7604
12 5700
13 1035
14 60
15 1
16 256620
17 212464
18 45675
19 3535
20 105
21 1
22 11923260
23 10645152
24 2582209
25 241080
26 9730
27 168
28 1
29 729524880
30 691560092
31 183962268
32 19661649
33 970200
34 23058
35 252
36 1

[1,3,1,23,12,1,330,215,30,1,7604,5700,1035,60,1,
 256620,212464,45675,3535,105,1,11923260,10645152,
 2582209,241080,9730,168,1,729524880,691560092,
 183962268,19661649,970200,23058,252,1]

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Last modified January 16 13:57 EST 2022. Contains 350376 sequences. (Running on oeis4.)