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A199327 as a simple table

na(n)
17
211
317
471
5101
6107
7701
81117
91171
101777
117001
127177
137717
1410007
1510111
1610177
1710711
1810771
1911071
2011117
2111171
2211177
2311701
2411717
2511777
2617011
2717077
2817107
2917117
3017707
3170001
3270111
3370117
3470177
3570717
3671011
3771171
3871707
3971711
4071777
4177017
4277101
4377171
4477711
45101107
46101111
47101117

[7,11,17,71,101,107,701,1117,1171,1777,7001,7177,
 7717,10007,10111,10177,10711,10771,11071,11117,
 11171,11177,11701,11717,11777,17011,17077,17107,
 17117,17707,70001,70111,70117,70177,70717,71011,
 71171,71707,71711,71777,77017,77101,77171,77711,
 101107,101111,101117]