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A225475 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 4
5 2
6 15
7 23
8 18
9 6
10 105
11 176
12 172
13 96
14 24
15 945
16 1689
17 1900
18 1380
19 600
20 120
21 10395
22 19524
23 24278
24 20880
25 12120
26 4320
27 720
28 135135
29 264207
30 354662
31 344274
32 241080
33 116760
34 35280
35 5040
36 2027025
37 4098240
38 5848344
39 6228096
40 4993296
41 2956800
42 1229760

[1,1,1,3,4,2,15,23,18,6,105,176,172,96,24,945,
 1689,1900,1380,600,120,10395,19524,24278,20880,
 12120,4320,720,135135,264207,354662,344274,241080,
 116760,35280,5040,2027025,4098240,5848344,6228096,
 4993296,2956800,1229760]

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Last modified August 20 18:56 EDT 2019. Contains 326154 sequences. (Running on oeis4.)