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 A176984 #15 Jan 21 2020 10:24:02
%S A176984 3,4,5,6,7,11,15,17,24,27,28,31,33,35,42,44,46,47,49,52,53,55,58,64,
%T A176984 65,76,81,88,91,99,104,107,112,113,117,118,129,131,132,135,136,138,
%U A176984 144,146,148,150,152,153,154,156,157,162,167,170,172,173,176,180,190,192,194
%N A176984 Numbers k such that the k-th average of twin prime pairs is a sum of two successive primes.
%H A176984 Amiram Eldar, <a href="/A176984/b176984.txt">Table of n, a(n) for n = 1..10000</a>
%F A176984 {k: A014574(k) in A001043}. - _R. J. Mathar_, Apr 30 2010
%F A176984 A014574(a(n)) = A167597(n). - _Amiram Eldar_, Jan 21 2020
%p A176984 From _R. J. Mathar_, Apr 30 2010: (Start)
%p A176984 isA001043 := proc(n) for k from 1 do ps := ithprime(k)+ithprime(k+1) ; if ps >n then return false; elif ps= n then return true; end if ; end do; end proc:
%p A176984 for n from 1 to 800 do if isA001043(A014574(n) ) then printf("%d,",n) ; end if; end do: (End)
%Y A176984 Cf. A001043, A014574, A167597.
%K A176984 nonn
%O A176984 1,1
%A A176984 _Juri-Stepan Gerasimov_, Apr 30 2010
%E A176984 a(42) corrected and sequence extended by _R. J. Mathar_, Apr 30 2010