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 A154488 #4 Jun 19 2021 12:54:44 %S A154488 1,12,17,20,23,30,37,42,47,50,53,56,75,82,85,88,91,102,109,114,119, %T A154488 122,129,134,137,140,143,150,157,160,171,176,183,190,193,196,201,208, %U A154488 211,222,227,230,233,246,253,256,267,274,297,302,305,308,311,330,343,348 %N A154488 a(n+1)-+a(n)=prime, a(1)=1,a(2)=12. %C A154488 Sum and difference of any of two consecutive numbers in current sequence are prime numbers : 230-227=3;230+227=457, 233-230=3;233+230=463,... %t A154488 a=1;b=12;lst={a,b};Do[If[PrimeQ[n-b]&&PrimeQ[n+b],AppendTo[lst,n];a=b;b=n],{n,b+1,7!}];lst %Y A154488 Cf. A154484, A154485, A154486, A154487 %K A154488 nonn %O A154488 1,2 %A A154488 _Vladimir Joseph Stephan Orlovsky_, Jan 10 2009 %E A154488 NAME adapted to offset. - _R. J. Mathar_, Jun 19 2021