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A173104 as a simple table

na(n)
11
22
312
4624
5110880
658769280
767704940800
8149428671436800
9574091539551129600
103581833707481042944000
1134393612685291413069824000
12486990328595374993951457280000
139818890674272030616178239406080000
14273823820339488809857168046768783360000

[1,2,12,624,110880,58769280,67704940800,
 149428671436800,574091539551129600,
 3581833707481042944000,34393612685291413069824000,
 486990328595374993951457280000,
 9818890674272030616178239406080000,
 273823820339488809857168046768783360000]