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A108537 as a simple table

na(n)
11
23
37
477
599
6151
7161
8333
9707
10727
11737
12757
13949
14969
15989
161441
171551
181771
191881
203003
217227
227667
237997
249009
259339
269999
2710001
2810101
2910701
3011111
3111611
3211711
3312221
3412921
3513231
3614341
3714841
3814941
3915851
4016661
4116961
4217071

[1,3,7,77,99,151,161,333,707,727,737,757,949,969,
 989,1441,1551,1771,1881,3003,7227,7667,7997,9009,
 9339,9999,10001,10101,10701,11111,11611,11711,
 12221,12921,13231,14341,14841,14941,15851,16661,
 16961,17071]