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 A065976 #11 Jun 17 2018 02:00:14
%S A065976 7,8,9,10,11,22,46,166,358,718,1438,2038,2878,4078,4126,4918,5638,
%T A065976 5806,5926,6046,7246,7558,7606,7726,9838,10798,11278,13798,13966,
%U A065976 14158,15286,15646,20326,21598,21766,23398,24406,24526,25798,28318,28606
%N A065976 Consecutive terms of A065966 which are also consecutive integers.
%H A065976 Harry J. Smith, <a href="/A065976/b065976.txt">Table of n, a(n) for n = 1..1000</a>
%o A065976 (PARI) { n=p=0; for (m=3, 10^9, if (isprime(eulerphi(m)/2), if (m==p + 1, write("b065976.txt", n++, " ", p); if (n==1000, return)); p=m) ) } \\ _Harry J. Smith_, Nov 05 2009
%Y A065976 A065966(n) = A065966(n+1).
%K A065976 easy,nonn
%O A065976 1,1
%A A065976 _Jason Earls_, Dec 09 2001