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 A185154 #10 Jul 13 2013 12:03:47 %S A185154 3,3,5,3,5,7,5,3,5,3,5,5,7,5,3,5,5,3,5,7,3,5,3,5,3,13,3,5,7,11,11,5,5, %T A185154 3,5,5,7,11,11,3,5,11,11,3,5,3,5,7,11,5,5,5,7,5,3,5,11,13,3,5,3,13,5, %U A185154 29,11,3,5,7,5,5,3,5,7,3,7,17,11,11,11,5,3 %N A185154 Smallest prime p such that a nonconsecutive prime q exists with A157996(n) = p + q + 1. %C A185154 A010051(A157996(n) - a(n) - 1) = 1. %H A185154 Reinhard Zumkeller, <a href="/A185154/b185154.txt">Table of n, a(n) for n = 1..10000</a> %o A185154 (Haskell) %o A185154 import Data.Maybe (catMaybes) %o A185154 a185154 n = a185154_list !! (n-1) %o A185154 a185154_list = catMaybes $ map f a006093_list where %o A185154 f x = g $ takeWhile (< x) a065091_list where %o A185154 g [] = Nothing %o A185154 g [_] = Nothing %o A185154 g (p:ps@(_:qs)) | (x - p) `elem` qs = Just p %o A185154 | otherwise = g ps %Y A185154 Cf. A065091, A006093. %K A185154 nonn %O A185154 1,1 %A A185154 _Reinhard Zumkeller_, Mar 12 2012