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%I #16 May 31 2016 15:41:39
%S 53,20543,47843,176227,396953,471187,995887,1083113,1867253,5022653,
%T 17449567,22873583,32003407,38673847,59808803,96144127,113561243,
%U 143570873,164563687,225835807,238818893,272773499,286557983,349504957
%N Primes p such that sigma(p+2)=sigma(p-2).
%H Martin Møller Skarbiniks Pedersen, <a href="/A169595/b169595.txt">Table of n, a(n) for n = 1..200</a>
%t f[n_]:=Plus@@Divisors[Prime[n]-2]==Plus@@Divisors[Prime[n]+2]; lst={};Do[If[f[n],AppendTo[lst,Prime[n]]],{n,2*9!}];lst
%Y Cf. A067891.
%Y Subsequence of A223091.
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Dec 03 2009
%E a(11)-a(24) from _Donovan Johnson_, Dec 08 2009
%E a(25)-a(200) from _Martin Møller Skarbiniks Pedersen_, May 31 2016