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A262551 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 9
6 10
7 1
8 10
9 19
10 10
11 1
12 405
13 2735
14 4825
15 2500
16 1
17 406
18 3140
19 7560
20 7325
21 2500
22 1
23 3953
24 54077
25 213505
26 360580
27 277200
28 80000

[1,1,1,1,9,10,1,10,19,10,1,405,2735,4825,2500,1,
 406,3140,7560,7325,2500,1,3953,54077,213505,
 360580,277200,80000]

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Last modified August 6 00:36 EDT 2021. Contains 346493 sequences. (Running on oeis4.)