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A232614 as a simple table

na(n)
15
25
35
43
513
63
79
813
913
109
1111
1223
1361
1423
1511
163
1745
1893
1993
2045
213
2223
23105
24105
25713
26105
27105
2823
2937
30297
31493
321521
331521
34493
35297
3637
373
38583
391927
406561
4140917
426561
431927
44583
453
4695
471419
4816121
4953539
50193015
51193015
5253539
5316121
541419
5595
56159

[5,5,5,3,13,3,9,13,13,9,11,23,61,23,11,3,45,93,93,
 45,3,23,105,105,713,105,105,23,37,297,493,1521,
 1521,493,297,37,3,583,1927,6561,40917,6561,1927,
 583,3,95,1419,16121,53539,193015,193015,53539,
 16121,1419,95,159]