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 A093398 #10 May 31 2019 03:14:00 %S A093398 1,0,3,2,43,85,42,36,3823,192,5114,2797,148220 %N A093398 Absolute value of difference between counts of uninterrupted runs of 2 nonprimes in A093185 and A093186. %F A093398 Take the absolute value of differences between counts of runs of 2 nonprimes congruent to 1 mod 4 and 3 mod 4 %e A093398 a(3)=3 because in A093185 the count is 33 and in A093186 the count is 36. 36-33=3. %Y A093398 Cf. A093185 A093186 A092639 A092640 A092641. %K A093398 nonn,more %O A093398 1,3 %A A093398 _Enoch Haga_, Mar 30 2004 %E A093398 a(9)-a(13) from _Robert Price_, May 30 2019