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A015109 as a simple table

na(n)
01
11
21
31
4-1
51
61
73
83
91
101
11-5
1215
13-5
141
151
1611
1755
1855
1911
201
211
22-21
23231
24-385
25231
26-21
271
281
2943
30903
313311
323311
33903
3443
351
361
37-85
383655
39-25585
4056287
41-25585
423655
43-85
441
451
46171
4714535
48208335
49875007
50875007
51208335
5214535
53171
541
551
56-341
5758311

[1,1,1,1,-1,1,1,3,3,1,1,-5,15,-5,1,1,11,55,55,11,
 1,1,-21,231,-385,231,-21,1,1,43,903,3311,3311,903,
 43,1,1,-85,3655,-25585,56287,-25585,3655,-85,1,1,
 171,14535,208335,875007,875007,208335,14535,171,1,
 1,-341,58311]