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A181200 as a simple table

na(n)
10
24
3756
41729728
5140229804000
6752239365180732000
7419014989521191873479589920
834623595988556658225393154134784716800
9571228532851873223553288547443139274046846826752000

[0,4,756,1729728,140229804000,752239365180732000,
 419014989521191873479589920,
 34623595988556658225393154134784716800,
 57122853285187322355328854744313927404684682675200\
 0]