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A265022 as a simple table

na(n)
01
11
20
3-2
4-1
512
620
7-113
8-430
91278
1010821
11-10234
12-317048
13-384915
1410352420
1542836466
16-340348905
17-3180089128
188045616512
19219303897655
20301713947470
21-14401913182942
22-84197219028827
23824481606288554
2411426928115546036
25-23133559937561187

[1,1,0,-2,-1,12,20,-113,-430,1278,10821,-10234,
 -317048,-384915,10352420,42836466,-340348905,
 -3180089128,8045616512,219303897655,301713947470,
 -14401913182942,-84197219028827,824481606288554,
 11426928115546036,-23133559937561187]