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A113213 as a simple table

na(n)
10
21
33
43
59
63
721
815
99
1015
1121
123
1345
14135
1575
1615
1799
1893
1999
20315
21105
22105
2315
2475
25339
26117
27261
28183
29351
30453
311281
32267
33675
34867
35819
36117
3769
382343
391995
401005
412949
42165
43741
44603
45315
461287
471629
48243
49519
50765
51165
521233
53741
541797
55339
56177

[0,1,3,3,9,3,21,15,9,15,21,3,45,135,75,15,99,93,
 99,315,105,105,15,75,339,117,261,183,351,453,1281,
 267,675,867,819,117,69,2343,1995,1005,2949,165,
 741,603,315,1287,1629,243,519,765,165,1233,741,
 1797,339,177]