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A253911 as a simple table

na(n)
112
243
365
487
5911
61013
71217
81419
91523
101629
111831
122037
132141
142243
152447
162553
172659
182761
192867
203071
213273
223379
233483
243589
253697
2638101
2739103
2840107
2942109
3044113
3145127
3246131
3348137
3449139
3550149
3651151
3752157
3854163
3955167
4056173
4157179
4258181
4360191
4462193
4563197
4664199
4765211
4866223
4968227
5069229

[12,43,65,87,911,1013,1217,1419,1523,1629,1831,
 2037,2141,2243,2447,2553,2659,2761,2867,3071,3273,
 3379,3483,3589,3697,38101,39103,40107,42109,44113,
 45127,46131,48137,49139,50149,51151,52157,54163,
 55167,56173,57179,58181,60191,62193,63197,64199,
 65211,66223,68227,69229]