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%I #10 Jul 13 2013 12:03:20
%S 97,181,241,277,421,457,541,641,661,709,757,821,1109,1117,1237,1301,
%T 1381,1597,1621,1669,1709,1901,2069,2341,2381,2417,2437,2557,2617,
%U 2677,2741,2797,3041,3061,3221,3557,3637,3701,3733,3989,4241,4261,4421,4517
%N Primes that are sums of the squares of two semiprimes.
%C Subsequence of A002144.
%C a(n) = A074985(i) + A074985(j) for appropriate i and j.
%H Reinhard Zumkeller, <a href="/A108655/b108655.txt">Table of n, a(n) for n = 1..10000</a>
%e A000040(733) = 5557 = 81 + 5476 = (3*3)^2 + (2*37)^2 =
%e A001358(3)^2 + A001358(25)^2 = A074985(3) + A074985(25),
%e therefore 5557 is a term.
%o (Haskell)
%o a108655 n = a108655_list !! (n-1)
%o a108655_list = filter f a000040_list where
%o f p = any (> 0) $ map (a064911 . a037213 . (p -)) $
%o takeWhile (< p) a074985_list
%o -- _Reinhard Zumkeller_, Aug 09 2012
%Y Cf. A000404, A001358, A000290.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Jul 07 2005
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