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 A251538 #10 Dec 08 2014 07:35:41 %S A251538 2,6,10,14,18,22,26,30,33,37,41,45,49,53,57,61,65,69,73,76,80,84,88, %T A251538 92,96,100,104,108,112,116,119,123,127,131,135,139,143,147,151,155, %U A251538 159,162,166,170,174,178,182,186,190,194,198,202,205,209,213,217,221,225 %N A251538 Numbers n such that A098548(2n+3) > A098548(2n+1) + 6. %H A251538 Reinhard Zumkeller, <a href="/A251538/b251538.txt">Table of n, a(n) for n = 1..100000</a> %F A251538 a(i) = (A251537(i)-1)/2 for all i. %o A251538 (Haskell) %o A251538 a251538 n = a251538_list !! (n-1) %o A251538 a251538_list = filter (\x -> a098548 (2*x+3) > a098548 (2*x+1) + 6) [1..] %o A251538 -- _Reinhard Zumkeller_, Dec 08 2014 %Y A251538 Cf. A098548, A251537, A251539. %K A251538 nonn %O A251538 1,1 %A A251538 _N. J. A. Sloane_, Dec 07 2014