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 A115397 #6 Jul 10 2016 14:40:06
%S A115397 1,2,3,2,3,3,1,5,4,4,4,5,4,7,6,5,2,9,2,5,5,2,4,2,3,2
%N A115397 Erroneous version of A218656.
%e A115397 n=6: 2*6+1 = 13 = 2+11 = 5+8 = 6+7 and
%e A115397 prime(1717)=14657, prime(636)=4721, prime(516)=3697,
%e A115397 a(6) = #{14657=2^4+11^4, 4721=5^4+8^4, 3697=6^4+7^4} = 3.
%Y A115397 Cf. A036468, A005408.
%K A115397 dead
%O A115397 1,2
%A A115397 _Reinhard Zumkeller_, Mar 08 2006