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A080275 as a simple table

na(n)
01
11
2-6
317
4-39
579
6-146
7251
8-407
9629
10-934
111341
12-1871
132547
14-3394
154439
16-5711
177241
18-9062
1911209
20-13719
2116631
22-19986
2323827
24-28199
2533149
26-38726
2744981
28-51967
2959739
30-68354
3177871
32-88351
3399857
34-112454
35126209
36-141191
37157471
38-175122
39194219
40-214839
41237061
42-260966

[1,1,-6,17,-39,79,-146,251,-407,629,-934,1341,
 -1871,2547,-3394,4439,-5711,7241,-9062,11209,
 -13719,16631,-19986,23827,-28199,33149,-38726,
 44981,-51967,59739,-68354,77871,-88351,99857,
 -112454,126209,-141191,157471,-175122,194219,
 -214839,237061,-260966]