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A057493 as a simple table

na(n)
11
23
37
49
521
627
749
863
981
10111
11147
12171
13189
14203
15243
16333
17343
18441
19513
20567
21609
22729
23777
24999
251029
261143
271197
281323
291421
301539
311701
321791
331827
342187
352331
362401
372943
382997
393087
403249
413429
423591
433969
444107
454263
464617
475103
485373

[1,3,7,9,21,27,49,63,81,111,147,171,189,203,243,
 333,343,441,513,567,609,729,777,999,1029,1143,
 1197,1323,1421,1539,1701,1791,1827,2187,2331,2401,
 2943,2997,3087,3249,3429,3591,3969,4107,4263,4617,
 5103,5373]