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A001485 as a simple table

na(n)
71
8-7
921
10-35
1128
1221
13-105
14181
15-189
1677
17140
18-385
19546
20-511
21252
22203
23-693
241029
25-1092
26798
27-203
28-581
291281
30-1708
311687
32-1232
33413
34602
35-1485
362233
37-2366
382009
39-1099
4014
411099
42-2072
432667
44-2807
452254
46-1477
470
481057
49-2346
502744
51-3017
522457

[1,-7,21,-35,28,21,-105,181,-189,77,140,-385,546,
 -511,252,203,-693,1029,-1092,798,-203,-581,1281,
 -1708,1687,-1232,413,602,-1485,2233,-2366,2009,
 -1099,14,1099,-2072,2667,-2807,2254,-1477,0,1057,
 -2346,2744,-3017,2457]