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 A251537 #12 Dec 08 2014 07:35:15 %S A251537 5,13,21,29,37,45,53,61,67,75,83,91,99,107,115,123,131,139,147,153, %T A251537 161,169,177,185,193,201,209,217,225,233,239,247,255,263,271,279,287, %U A251537 295,303,311,319,325,333,341,349,357,365,373 %N A251537 Odd numbers n such that A098548(n+2) > A098548(n) + 6. %H A251537 Reinhard Zumkeller, <a href="/A251537/b251537.txt">Table of n, a(n) for n = 1..100000</a> %o A251537 (Haskell) %o A251537 a251537 n = a251537_list !! (n-1) %o A251537 a251537_list = filter (\x -> a098548 (x + 2) > a098548 x + 6) [1, 3 ..] %o A251537 -- _Reinhard Zumkeller_, Dec 08 2014 %Y A251537 Cf. A098548, A251538, A251539. %K A251537 nonn %O A251537 1,1 %A A251537 _N. J. A. Sloane_, Dec 07 2014