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A053533 as a simple table

na(n)
01
10
20
30
40
512
660
7360
82520
920160
10199584
112147040
1225043040
13315485280
144274281440
1562237343168
16968728662720
1716046598597120
18281802435747840
195229395457937920
20102253297006250496
212101387824575550720
2245281611027331723520

[1,0,0,0,0,12,60,360,2520,20160,199584,2147040,
 25043040,315485280,4274281440,62237343168,
 968728662720,16046598597120,281802435747840,
 5229395457937920,102253297006250496,
 2101387824575550720,45281611027331723520]