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A167141 as a simple table

na(n)
01
14
248
3864
420880
5632448
623018688
7978179328
847529084096
92598928566336
10157937795847936
1110559489876375040
12770269715428025088
1360876094422772800000
145181654464327251948032
15472584847824904789910016

[1,4,48,864,20880,632448,23018688,978179328,
 47529084096,2598928566336,157937795847936,
 10559489876375040,770269715428025088,
 60876094422772800000,5181654464327251948032,
 472584847824904789910016]