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A057470 as a simple table

na(n)
15
211
331
459
5109
6179
7277
8353
9547
10587
11773
12859
131063
141153
151201
161433
171499
181723
191823
202063
212341
222897
233001
243259
253733
264133
274397
284549
294759
304933
316217
326311
336353
346653
356841
368101
378221
388377
398513
408747
419293
429973
4310433
4410559

[5,11,31,59,109,179,277,353,547,587,773,859,1063,
 1153,1201,1433,1499,1723,1823,2063,2341,2897,3001,
 3259,3733,4133,4397,4549,4759,4933,6217,6311,6353,
 6653,6841,8101,8221,8377,8513,8747,9293,9973,
 10433,10559]