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A090514 as a simple table

na(n)
1313
2727
311311
417417
521521
623623
71117111
81218121
91379137
1018310183
111003111003
121031121031
131047131047
141081141081
151103151103
161131161131
171153171153
181249181249
191253191253
201273201273
211277211277
221301221301
231317231317
241321241321
251323251323

[313,727,11311,17417,21521,23623,1117111,1218121,
 1379137,18310183,1003111003,1031121031,1047131047,
 1081141081,1103151103,1131161131,1153171153,
 1249181249,1253191253,1273201273,1277211277,
 1301221301,1317231317,1321241321,1323251323]