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 A205148 #5 Mar 30 2012 18:58:10 %S A205148 15,35,15,35,35,77,77,143,15,35,143,143,221,77,323,143,323,143,437,35, %T A205148 77,143,667,221,1517,221,143,323,35,323,77,143,143,323,2491,143,1517, %U A205148 437,221,437,323,77,221,323,323,667,899,221,437,1517,323,899 %N A205148 Least s(k) such that n divides s(k)-s(j) for some j<k, where s(j)=prime(j)*prime(j+1). %C A205148 For a guide to related sequences, see A204892. %t A205148 (See the program at A205146.) %Y A205148 Cf. A205146, A204892. %K A205148 nonn %O A205148 1,1 %A A205148 _Clark Kimberling_, Jan 25 2012