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A001088 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 16
6 32
7 192
8 768
9 4608
10 18432
11 184320
12 737280
13 8847360
14 53084160
15 424673280
16 3397386240
17 54358179840
18 326149079040
19 5870683422720
20 46965467381760
21 563585608581120
22 5635856085811200
23 123988833887846400
24 991910671102771200
25 19838213422055424000

[1,1,2,4,16,32,192,768,4608,18432,184320,737280,
 8847360,53084160,424673280,3397386240,54358179840,
 326149079040,5870683422720,46965467381760,
 563585608581120,5635856085811200,
 123988833887846400,991910671102771200,
 19838213422055424000]

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Last modified January 21 05:39 EST 2020. Contains 331104 sequences. (Running on oeis4.)