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A160289 as a simple table

na(n)
01
154
21234
3-115020
4-12437844
5102210984
6110121661176
74915056452976
8-1031159390225520
9-121819606703423136
109031432087249072416
112536703117463027057984
12-30117588135278876709696
13-52827165482178797480672640
14-2194115753871647145822109824

[1,54,1234,-115020,-12437844,102210984,
 110121661176,4915056452976,-1031159390225520,
 -121819606703423136,9031432087249072416,
 2536703117463027057984,-30117588135278876709696,
 -52827165482178797480672640,
 -2194115753871647145822109824]