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A204001 as a simple table

na(n)
11
2-1
31
4-6
51
61
7-9
817
9-1
101
11-12
1239
13-36
141
151
16-15
1769
18-119
1965
20-1
211
22-18
23107
24-272
25294
26-106
271
281
29-21
30153
31-515
32846
33-630
34161
35-1
361
37-24
38207
39-868
401925
41-2232
421218
43-232
441
451
46-27
47269
48-1351
493783
50-6017
515214

[1,-1,1,-6,1,1,-9,17,-1,1,-12,39,-36,1,1,-15,69,
 -119,65,-1,1,-18,107,-272,294,-106,1,1,-21,153,
 -515,846,-630,161,-1,1,-24,207,-868,1925,-2232,
 1218,-232,1,1,-27,269,-1351,3783,-6017,5214]