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A074255 as a simple table

na(n)
11
21147
33953
45609
57387
635557
742439
855189
964507
1070747
11198907
12233227
13239117
14241133
15264851
16348091
17372091
18398239
19409457
20431633
21443111
22568507
23613121
24657443
25988027
261071209
271102267
281136347
291315609
301416091
311570243

[1,1147,3953,5609,7387,35557,42439,55189,64507,
 70747,198907,233227,239117,241133,264851,348091,
 372091,398239,409457,431633,443111,568507,613121,
 657443,988027,1071209,1102267,1136347,1315609,
 1416091,1570243]