This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A144245 #12 Jul 24 2025 05:50:25
%S A144245 17,73,89,6553,6569,4782961,4782977,3486784393,3486784409,31381059601,
%T A144245 1350851717672992097,984770902183611232889,
%U A144245 381520424476945831628649898801,969773729787523602876821942164080815560169,145557834293068928043467566190278008218249525830565939618489
%N A144245 Prime numbers of the form 9^k +- 8.
%H A144245 Amiram Eldar, <a href="/A144245/b144245.txt">Table of n, a(n) for n = 1..21</a> (terms 1..20 from Harvey P. Dale)
%t A144245 Select[Union[Flatten[#+{8,-8}&/@(9^Range[100])]],PrimeQ] (* _Harvey P. Dale_, Oct 24 2012 *)
%Y A144245 Cf. A000040, A000668, A144231, A144232, A144233, A144234, A144236, A144242.
%K A144245 nonn
%O A144245 1,1
%A A144245 _Reikku Kulon_, Sep 15 2008
%E A144245 Two additional terms from _Harvey P. Dale_, Oct 24 2012