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A283934 as a simple table

na(n)
01
11
2-18659
31437155
4-3443781552263
5299038554059
6-4578818318657408083
7-13134546687973878593
81056237841304782111497583
9-4359513902194586454589
10-88697240413616501738435495501197
11635822194381744885857116976721

[1,1,-18659,1437155,-3443781552263,299038554059,
 -4578818318657408083,-13134546687973878593,
 1056237841304782111497583,-4359513902194586454589,
 -88697240413616501738435495501197,
 635822194381744885857116976721]