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A020228 as a simple table

na(n)
19
233
391
499
5153
6259
7303
8451
9481
10561
11657
12703
13909
14949
151111
161233
171241
181729
191891
202047
212329
222409
232701
242821
252871
262981
273333
283367
294141
304187
314521
325461
335551
346001
356533
366541
376601
386931
397107
407373
417471
427633
437777
448149
458401
468911

[9,33,91,99,153,259,303,451,481,561,657,703,909,
 949,1111,1233,1241,1729,1891,2047,2329,2409,2701,
 2821,2871,2981,3333,3367,4141,4187,4521,5461,5551,
 6001,6533,6541,6601,6931,7107,7373,7471,7633,7777,
 8149,8401,8911]