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A181619 as a simple table

na(n)
111
251
361
4101
5221
6261
7571
82271
92821
102871
115071
125651
135761
146561
156951
169751
1710461
1810851
1911621
2011711
2114961
2215911
2316551
2417171
2517601
2618511
2719071
2819551
2923151
3025261
3127351
3227751

[11,51,61,101,221,261,571,2271,2821,2871,5071,
 5651,5761,6561,6951,9751,10461,10851,11621,11711,
 14961,15911,16551,17171,17601,18511,19071,19551,
 23151,25261,27351,27751]