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A174730 as a simple table

na(n)
01
11
21
31
4-44
51
61
7-629
8-629
91
101
11-6374
12-16574
13-6374
141
151
16-57287
17-307922
18-307922
19-57287
201
211
22-487304
23-4873049
24-9889424
25-4873049
26-487304
271
281
29-4030217
30-70315835
31-255869693
32-255869693
33-70315835
34-4030217
351
361

[1,1,1,1,-44,1,1,-629,-629,1,1,-6374,-16574,-6374,
 1,1,-57287,-307922,-307922,-57287,1,1,-487304,
 -4873049,-9889424,-4873049,-487304,1,1,-4030217,
 -70315835,-255869693,-255869693,-70315835,
 -4030217,1,1]