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A364293 as a simple table

na(n)
13
27
315
429
531
659
761
863
9119
10121
11123
12125
13127
14223
15239
16245
17247
18249
19251
20253
21255
22383
23447
24479
25493
26495
27497
28499
29501
30503
31505
32507
33509
34511
35767
36895
37957
38959
39989
40991
41999
421001
431003
441005
451007
461009
471011
481013
491015
501017
511019
521021
531023
541535
551789
561791
571917
581919
591977
601979
611981

[3,7,15,29,31,59,61,63,119,121,123,125,127,223,
 239,245,247,249,251,253,255,383,447,479,493,495,
 497,499,501,503,505,507,509,511,767,895,957,959,
 989,991,999,1001,1003,1005,1007,1009,1011,1013,
 1015,1017,1019,1021,1023,1535,1789,1791,1917,1919,
 1977,1979,1981]