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A167580 as a simple table

na(n)
11
26
3-1
420
50
63
756
828
998
10-15
11144
12192
131080
14-48
15105
16352
17880
187568
192024
206534
21-945
22832
233328
2440976
2531616
26132444
27-8112
2810395
291920
3011200
31187488
32274480
331593960
34286900
35972162
36-135135
374352
3834816
39761600
401784320
4113962848

[1,6,-1,20,0,3,56,28,98,-15,144,192,1080,-48,105,
 352,880,7568,2024,6534,-945,832,3328,40976,31616,
 132444,-8112,10395,1920,11200,187488,274480,
 1593960,286900,972162,-135135,4352,34816,761600,
 1784320,13962848]