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A102103 as a simple table

na(n)
00
12
216
31040
4196080
582196224
665585046960
789664824687968
8194650170795350624
9633421180929983545024
102953697281799409438455088
1119035190329068182887341039344
12164578521474330559730154886587328

[0,2,16,1040,196080,82196224,65585046960,
 89664824687968,194650170795350624,
 633421180929983545024,2953697281799409438455088,
 19035190329068182887341039344,
 164578521474330559730154886587328]