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A119750 as a simple table

na(n)
10
20
30
472
57200
6907200
7151351200
832818867200
99022953139200
103074644210176000
111273420678578048000
12630456744366408960000
13367858475127819067392000
14249891669321208978871808000
15195560183245820886392739840000
16174686971253081560944736665600000
17176671699588778004249333176401920000

[0,0,0,72,7200,907200,151351200,32818867200,
 9022953139200,3074644210176000,
 1273420678578048000,630456744366408960000,
 367858475127819067392000,
 249891669321208978871808000,
 195560183245820886392739840000,
 174686971253081560944736665600000,
 176671699588778004249333176401920000]