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 A153740 #6 Nov 21 2013 12:49:29 %S A153740 23,37,47,67,79,113,157,211,233,251,277,293,317,353,439,467,541,577, %T A153740 607,631,647,673,839,863,887,1039,1069,1097,1163,1237,1283,1297,1307, %U A153740 1327,1433,1459,1493,1613,1627,1693,1709,1733,1801,1889,1973,2003,2039,2099 %N A153740 Smallest non-twin prime > n-th and (n+1)-th twin primes. %H A153740 Harvey P. Dale, <a href="/A153740/b153740.txt">Table of n, a(n) for n = 1..1000</a> %t A153740 Select[NextPrime/@Transpose[Select[Partition[Prime[Range[500]],2,1], Last[#]-First[#] == 2&]][[2]],!PrimeQ[#-2]&&!PrimeQ[#+2]&] (* _Harvey P. Dale_, Feb 25 2012 *) %Y A153740 Cf. A000040, A077800. %K A153740 nonn %O A153740 1,1 %A A153740 _Juri-Stepan Gerasimov_, Dec 31 2008 %E A153740 863 inserted by _R. J. Mathar_, Jan 03 2009