%I #8 Jun 22 2018 10:41:09
%S 6,33,177,713,1745,8301,8301,19217,175233,175233,33952613,4377722627,
%T 4377722627,1242030992177,1242030992177
%N Semiprimes (p+4) associated with first prime in A137625.
%C Some terms may overlap: e.g., k=9 and k=10 both begin with p=175229 where p+4 = 175233.
%F For each p, the semiprime is p+4.
%e a(2)=33 because if p=29, then p+4 is 33 and semiprime (3*11).
%Y Cf. A001358, A137625, A137626, A137628.
%K more,nonn
%O 1,1
%A _Enoch Haga_, Jan 30 2008
%E a(1) corrected by and a(11)a(15) from _Giovanni Resta_, Jun 22 2018
