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A040026 as a simple table

na(n)
11
21
33
41
55
63
77
81
99
105
1111
12-3
1313
147
1515
161
1717
189
1919
205
2121
2211
2323
249
2525
2613
2727
28-7
2929
3015
3131
321
3333
3417
3535
369
3737
3819
3939
40-15
4141
4221
4343
44-11
4545
4623
4747
48-15
4949
5025
5151
5213
5353
5427
5555
56-7
5757
5829
5959
60-15
6161
6231
6363
641
6565
6633
6767
6817
6969
7035
7171
729
7373
7437
7575
76-19

[1,1,3,1,5,3,7,1,9,5,11,-3,13,7,15,1,17,9,19,5,21,
 11,23,9,25,13,27,-7,29,15,31,1,33,17,35,9,37,19,
 39,-15,41,21,43,-11,45,23,47,-15,49,25,51,13,53,
 27,55,-7,57,29,59,-15,61,31,63,1,65,33,67,17,69,
 35,71,9,73,37,75,-19]