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A075706 as a simple table

na(n)
15
211
3107
4179
5347
6479
71187
81307
91367
101487
111619
122027
132207
142447
152999
163119
173467
184007
194079
204139
214799
225087
235807
245927
255939
266827
277079
287247
298699
309587
319839
3210607
3312107
3412539
3512659
3614207
3715299
3816139
3916187
4017027

[5,11,107,179,347,479,1187,1307,1367,1487,1619,
 2027,2207,2447,2999,3119,3467,4007,4079,4139,4799,
 5087,5807,5927,5939,6827,7079,7247,8699,9587,9839,
 10607,12107,12539,12659,14207,15299,16139,16187,
 17027]