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A262700 as a simple table

na(n)
15
219
331
4151
5691
61181
71489
81511
91601
102579
113037
127297
139661
1410993
1511699
1620407
1725657
1833937
1965099
2096419
21102911
22133157
23251789
24411841
25417271
26670729
27808211
281179907
291671277

[5,19,31,151,691,1181,1489,1511,1601,2579,3037,
 7297,9661,10993,11699,20407,25657,33937,65099,
 96419,102911,133157,251789,411841,417271,670729,
 808211,1179907,1671277]