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A322513 as a simple table

na(n)
00
11
21
3-2
41
511
6-48
7-6
81241
9-6431
10-15320
11452970
12-2317212
13-17584137
14372119776
15-1552313624
16-31732274313
17565880016193
18-1217992446564
19-90197542736656
201400682677566587
211990004001731140
22-384348195167184028
235109122826021406702

[0,1,1,-2,1,11,-48,-6,1241,-6431,-15320,452970,
 -2317212,-17584137,372119776,-1552313624,
 -31732274313,565880016193,-1217992446564,
 -90197542736656,1400682677566587,1990004001731140,
 -384348195167184028,5109122826021406702]