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A107045 as a simple table

na(n)
01
1-1
21
31
4-1
51
6-1
71
8-1
91
10-11
111
121
13-1
141
15-677
16-61
177
181
19-1
201
2115311
22-259
23-1
247
251
26-1
271
281170049273
29-971891
30-54407
31407
3223
331
34-1
351
36541293087149
37426148171
38-15993079
39-58573
40829
4117
421
43-1
441
45-15074636799365429
4631108643619709
47-23328513449
48-138374321
49-53429
501501
5147
521

[1,-1,1,1,-1,1,-1,1,-1,1,-11,1,1,-1,1,-677,-61,7,
 1,-1,1,15311,-259,-1,7,1,-1,1,1170049273,-971891,
 -54407,407,23,1,-1,1,541293087149,426148171,
 -15993079,-58573,829,17,1,-1,1,-15074636799365429,
 31108643619709,-23328513449,-138374321,-53429,
 1501,47,1]