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A255454 as a simple table

na(n)
01
15
25
319
45
525
619
773
85
925
1025
1195
1219
1395
1473
15263
165
1725
1825
1995
2025
21125
2295
23365
2419
2595
2695
27361
2873
29365
30263
31973
325
3325
3425
3595
3625
37125
3895
39365
4025
41125
42125
43475
4495
45475
46365
471315
4819
4995
5095
51361
5295
53475
54361
551387
5673
57365
58365
591387

[1,5,5,19,5,25,19,73,5,25,25,95,19,95,73,263,5,25,
 25,95,25,125,95,365,19,95,95,361,73,365,263,973,5,
 25,25,95,25,125,95,365,25,125,125,475,95,475,365,
 1315,19,95,95,361,95,475,361,1387,73,365,365,1387]