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A326721 as a simple table

na(n)
-11
0-1
11
21
32
4-1
5-4
61
72
8-16
95
1048
11-10
12-48
135
1416
15272
16-61
17-1088
18183
191632
20-183
21-1088
2261
23272
24-7936
251385
2639680
27-5540
28-79360
298310
3079360
31-5540
32-39680
331385
347936

[1,-1,1,1,2,-1,-4,1,2,-16,5,48,-10,-48,5,16,272,
 -61,-1088,183,1632,-183,-1088,61,272,-7936,1385,
 39680,-5540,-79360,8310,79360,-5540,-39680,1385,
 7936]