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A050577 as a simple table

na(n)
13
27
311
419
563
675
795
8127
9155
10163
11171
12283
13563
141739
152243
163971
174375
185227
198307
209943
2118383
2219835
2325879
2426927
2536895
26304771
27422939

[3,7,11,19,63,75,95,127,155,163,171,283,563,1739,
 2243,3971,4375,5227,8307,9943,18383,19835,25879,
 26927,36895,304771,422939]