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A329120 as a simple table

na(n)
01
11
2-1
31
4-5
54
61
7-21
872
9-52
101
11-85
121020
13-3016
142080
151
16-341
1713600
18-133900
19372320
20-251680
211
22-1365
23178164
24-5532800
2550406720
26-136662240
2791611520
281
29-5461
302321592
31-223628132
326320525120
33-55844268480
34149876446720
35-100131391360

[1,1,-1,1,-5,4,1,-21,72,-52,1,-85,1020,-3016,2080,
 1,-341,13600,-133900,372320,-251680,1,-1365,
 178164,-5532800,50406720,-136662240,91611520,1,
 -5461,2321592,-223628132,6320525120,-55844268480,
 149876446720,-100131391360]