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A159951 as a simple table

na(n)
112
2856800
3139890541190400
450664770469826998541056000
540527253814267058837705250384270510080000
671554565901386985191123530075861409411081105273676595200000

[12,856800,139890541190400,
 50664770469826998541056000,
 40527253814267058837705250384270510080000,
 71554565901386985191123530075861409411081105273676\
 595200000]