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 A092638 #10 Mar 18 2018 15:54:54 %S A092638 0,2,3,9,15,50,238,1383,1458,443,11349 %N A092638 Absolute value of difference between counts of uninterrupted runs of single primes in A092636 and A092637. %F A092638 a(n) = |A092636(n)-A092637(n)|. %e A092638 a(2)=2 because in A092636 the count is 5 and in A092637 the count is 3. 5-3=2. %Y A092638 Cf. A092636, A092637. %K A092638 more,nonn %O A092638 1,2 %A A092638 _Enoch Haga_, Mar 02 2004 %E A092638 a(9)-a(11) from _Chai Wah Wu_, Mar 18 2018