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A115298 as a simple table

na(n)
11
23
37
413
521
631
743
855
973
1091
11115
12139
13165
14193
15227
16263
17301
18339
19381
20423
21471
22517
23569
24625
25685
26745
27809
28871
29937
301011
311089
321167
331247
341335
351425
361515
371611
381707
391809
401915
412023
422135
432249
442363
452479
462601
472735
482865
492997
503129

[1,3,7,13,21,31,43,55,73,91,115,139,165,193,227,
 263,301,339,381,423,471,517,569,625,685,745,809,
 871,937,1011,1089,1167,1247,1335,1425,1515,1611,
 1707,1809,1915,2023,2135,2249,2363,2479,2601,2735,
 2865,2997,3129]