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A113868 as a simple table

na(n)
11
219
321
445
573
675
7103
8109
9111
10139
11195
12205
13211
14321
15331
16385
17433
18439
19571
20601
21763
22765
23805
24811
25819
26985
271069
281075
291159
301333
311395
321401
331431
341459
351573
361629
371635
381659
391759
401801
412025
422035
432065
442079
452131
462133
472191
482199

[1,19,21,45,73,75,103,109,111,139,195,205,211,321,
 331,385,433,439,571,601,763,765,805,811,819,985,
 1069,1075,1159,1333,1395,1401,1431,1459,1573,1629,
 1635,1659,1759,1801,2025,2035,2065,2079,2131,2133,
 2191,2199]