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A001088 as a simple table

na(n)
01
11
21
32
44
516
632
7192
8768
94608
1018432
11184320
12737280
138847360
1453084160
15424673280
163397386240
1754358179840
18326149079040
195870683422720
2046965467381760
21563585608581120
225635856085811200
23123988833887846400
24991910671102771200
2519838213422055424000

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