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A057286 as a simple table

na(n)
11
23
37
49
521
627
749
863
969
1081
11119
12147
13189
14243
15343
16441
17567
18729
191029
201269
211323
221701
232187
242401
253087
263357
273969
285103
295271
305831
316561
327203
339261
349639
3511907
3615309
3716767
3816807
3919683
4020727
4121609
4224451
4327783
4430429
4535077

[1,3,7,9,21,27,49,63,69,81,119,147,189,243,343,
 441,567,729,1029,1269,1323,1701,2187,2401,3087,
 3357,3969,5103,5271,5831,6561,7203,9261,9639,
 11907,15309,16767,16807,19683,20727,21609,24451,
 27783,30429,35077]