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A115668 as a simple table

na(n)
14
29
310
4121
5169
6961
71273
81843
910201
1010609
1112769
1216171
1344521
1448361
1548613
1694249
1796721
18106009
19108853
20121879
21129307
22445051
23526567
24613927
251026169
261042441
271062961
281216609
291442401
301692601

[4,9,10,121,169,961,1273,1843,10201,10609,12769,
 16171,44521,48361,48613,94249,96721,106009,108853,
 121879,129307,445051,526567,613927,1026169,
 1042441,1062961,1216609,1442401,1692601]