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A059375 as a simple table

na(n)
01
10
20
312
496
53120
6115200
75836320
8382072320
931488549120
103191834419200
11390445460697600
1256729732529254400
139659308746908620800
141905270127543015833600
15431026303509734220288000
16110865322076320374571008000
1732172949121885378686623744000

[1,0,0,12,96,3120,115200,5836320,382072320,
 31488549120,3191834419200,390445460697600,
 56729732529254400,9659308746908620800,
 1905270127543015833600,431026303509734220288000,
 110865322076320374571008000,
 32172949121885378686623744000]