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 A244434 #5 Jul 19 2014 09:33:24
%S A244434 2,5,6,83
%N A244434 Numbers n such that A244433(n) does not belong to the set {A244433(n-1), A244433(n+1)}.
%e A244434 83 is a term of the sequence because A244433(83)=491702 does not belong to the set {A244433(82), A244433(84)}={424783, 860831}.
%K A244434 nonn,more
%O A244434 1,1
%A A244434 _Farideh Firoozbakht_, Jul 19 2014