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A031389 as a simple table

na(n)
111
241
373
4109
5157
6197
7241
8283
9347
10389
11439
12487
13547
14599
15643
16691
17751
18811
19859
20919
21977
221031
231087
241129
251201
261259
271303
281381
291447
301489
311553
321607
331663
341723
351787
361867
371913
381993
392039
402099
412153
422239
432293
442351

[11,41,73,109,157,197,241,283,347,389,439,487,547,
 599,643,691,751,811,859,919,977,1031,1087,1129,
 1201,1259,1303,1381,1447,1489,1553,1607,1663,1723,
 1787,1867,1913,1993,2039,2099,2153,2239,2293,2351]