%I #4 Mar 31 2012 13:21:56

%S 8,12,20,24,32,36,48,52,60,68,80,84,96,100,112,120,128,140,144,152,

%T 168,172,192,200,204,212,216,236,240,264,268,276,288,300,308,320,336,

%U 340,352,360,372,384,392,396,428,440,452,456,468,472,480,492,508,520,532

%N Prime(n)+q, where q is the next prime such that q mod 4 = (prime(n)+2) mod 4.

%e Prime(4) = 7, (7+2) mod 4 = 1, 11 mod 4 = 3, 13 mod 4 = 1, hence a(4) = 7+13 = 20.

%o (PARI) {forprime(p=3,270,m=(p+2)%4; q=nextprime(p+1); while(q%4!=m,q=nextprime(q+1)); print1(p+q,","))}

%Y Cf. A084487.

%K nonn

%O 2,1

%A _Jon Perry_, May 28 2003

%E Edited and extended by _Klaus Brockhaus_, May 28 2003