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A255209 as a simple table

na(n)
15107
220771
351427
452517
561417
666161
7116731
8119359
9128657
10140741
11147647
12150559
13199783
14203773
15213949
16229939
17237283
18261761
19286751
20288929
21303089
22339139
23342373
24381853
25384611
26385657
27475897

[5107,20771,51427,52517,61417,66161,116731,119359,
 128657,140741,147647,150559,199783,203773,213949,
 229939,237283,261761,286751,288929,303089,339139,
 342373,381853,384611,385657,475897]