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A174587 as a simple table

na(n)
01
11
21
31
43
51
61
749
849
91
101
11553
12801
13553
141
151
16-11999
17-9839
18-9839
19-11999
201
211
22-1125919
23-1374463
24-1376351
25-1374463
26-1125919
271
281
29-25622015
30-41341439
31-44792831
32-44792831
33-41341439
34-25622015
351
361
373235358337
383370753537

[1,1,1,1,3,1,1,49,49,1,1,553,801,553,1,1,-11999,
 -9839,-9839,-11999,1,1,-1125919,-1374463,-1376351,
 -1374463,-1125919,1,1,-25622015,-41341439,
 -44792831,-44792831,-41341439,-25622015,1,1,
 3235358337,3370753537]