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A299149 as a simple table

na(n)
11
21
33
43
55
63
77
85
927
105
1111
129
1313
147
1515
1635
1717
1827
1919
2015
2121
2211
2323
2415
2575
2613
27135
2821
2929
3015
3131
3263
3333
3417
3535
3681
3737
3819
3939
4025
4141
4221
4343
4433
45135
4623
4747
48105
49147
5075
5151
5239
5353
54135
5555
5635
5757
5829
5959
6045
6161
6231
63189
64231
6565
6633

[1,1,3,3,5,3,7,5,27,5,11,9,13,7,15,35,17,27,19,15,
 21,11,23,15,75,13,135,21,29,15,31,63,33,17,35,81,
 37,19,39,25,41,21,43,33,135,23,47,105,147,75,51,
 39,53,135,55,35,57,29,59,45,61,31,189,231,65,33]