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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A012392 as a simple table

na(n)
02
116
232
3-18944
4-2146048
5-147605504
612359002112
79374161371136

[2,16,32,-18944,-2146048,-147605504,12359002112,
 9374161371136]