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A371433 as a simple table

na(n)
01
12
25
311
411
5-77
6-704
7-3795
8-15686
9-48598
10-74009
11376623
124438840
1327458060
14126898948
15440550682
16849522927
17-2621906045
18-39993434701
19-270428078305
20-1339005344985
21-5014789377825
22-11407684195950
2318849058485855
24417417757017612
253058172078113944

[1,2,5,11,11,-77,-704,-3795,-15686,-48598,-74009,
 376623,4438840,27458060,126898948,440550682,
 849522927,-2621906045,-39993434701,-270428078305,
 -1339005344985,-5014789377825,-11407684195950,
 18849058485855,417417757017612,3058172078113944]