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A160253 as a simple table

na(n)
01
120
2-1282
3-92920
44610572
5717377200
6-24427366520
7-7728318032800
8133041452750480
9106653076504366400
10119080018350561760
11-1791523146436431612800
12-38033681428250725939520
1335399429559107921153964800
141539633069292288796472840320

[1,20,-1282,-92920,4610572,717377200,-24427366520,
 -7728318032800,133041452750480,106653076504366400,
 119080018350561760,-1791523146436431612800,
 -38033681428250725939520,
 35399429559107921153964800,
 1539633069292288796472840320]