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A020168 as a simple table

na(n)
139
291
3121
4123
5289
6451
7533
8561
9703
10793
111541
121561
131599
141729
151921
162821
172899
183097
193367
203751
213829
224961
235461
245729
256031
266601
277111
287201
297381
308911
319073
329881
3310897
3411011
3511041
3611121
3711521
3812403
3912801
4013073
4113333
4213981

[39,91,121,123,289,451,533,561,703,793,1541,1561,
 1599,1729,1921,2821,2899,3097,3367,3751,3829,4961,
 5461,5729,6031,6601,7111,7201,7381,8911,9073,9881,
 10897,11011,11041,11121,11521,12403,12801,13073,
 13333,13981]