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A309749 as a simple table

na(n)
13
2197
3263
4281
5443
6881
7887
8947
92111
102129
112237
122699
132741
142897
153251
163539
173821
183881
194049
204451
214523
224787
236257
246389
258609
268741
2710163
2810193
2910247
3011027
3113187
3214591
3314897
3416193
3516901
3617027
3718797
3819319
3919379
4020147
4120681
4221563
4321647
4422073
4522259

[3,197,263,281,443,881,887,947,2111,2129,2237,
 2699,2741,2897,3251,3539,3821,3881,4049,4451,4523,
 4787,6257,6389,8609,8741,10163,10193,10247,11027,
 13187,14591,14897,16193,16901,17027,18797,19319,
 19379,20147,20681,21563,21647,22073,22259]