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A008338 as a simple table

na(n)
11
21
32
412
5288
634560
748
8241920
96
102177280
117900913664000
12315379190543155200000
13658409472000
144099929477061017600000
1547029248000
1661498942155915264000000
172939328000
181045482016650559488000000
19163296000

[1,1,2,12,288,34560,48,241920,6,2177280,
 7900913664000,315379190543155200000,658409472000,
 4099929477061017600000,47029248000,
 61498942155915264000000,2939328000,
 1045482016650559488000000,163296000]