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A372986 as a simple table

na(n)
01
12
212
360
4672
55400
688704
7982800
821288960
9300736800
108089804800
11138940401600
124465572249600
1390311261040000
143375972620697600
1578570797104800000
163348964839732019200
1788156434351585600000
184219695698062344192000
19123947946698329353600000

[1,2,12,60,672,5400,88704,982800,21288960,
 300736800,8089804800,138940401600,4465572249600,
 90311261040000,3375972620697600,78570797104800000,
 3348964839732019200,88156434351585600000,
 4219695698062344192000,123947946698329353600000]