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A078054 as a simple table

na(n)
01
1-3
28
3-23
465
5-184
6521
7-1475
84176
9-11823
1033473
11-94768
12268305
13-759619
142150616
15-6088775
1617238401
17-48804968
18138175513
19-391199363
201107554720
21-3135683679
228877676161
23-25134274400
2471159584801
25-201465394563
26570384233128
27-1614858840183
284571951541185

[1,-3,8,-23,65,-184,521,-1475,4176,-11823,33473,
 -94768,268305,-759619,2150616,-6088775,17238401,
 -48804968,138175513,-391199363,1107554720,
 -3135683679,8877676161,-25134274400,71159584801,
 -201465394563,570384233128,-1614858840183,
 4571951541185]