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A160313 as a simple table

na(n)
01
130
2-1022
3-145980
41513452
51167697800
620486660280
7-12851291221200
8-661166264043120
9177766465895877600
1016769848012294217760
11-2913576034149940939200
12-441955407700422580057920
1353940055420621560419971200
1412660899479421405397926325120

[1,30,-1022,-145980,1513452,1167697800,
 20486660280,-12851291221200,-661166264043120,
 177766465895877600,16769848012294217760,
 -2913576034149940939200,-441955407700422580057920,
 53940055420621560419971200,
 12660899479421405397926325120]