%I A090422
%S A090422 2,3,5,7,13,17,19,37,41,53,67,73,89,97,101,103,107,131,137,139,149,163,
%T A090422 193,197,199,211,227,257,263,269,277,281,293,307,311,313,331,337,389,
%U A090422 397,401,409,419,421,443,449,461,521,523,547,557,569,571,577,587
%N A090422 Primes that cannot be written in binary representation as concatenation 
               of other primes.
%C A090422 A090418(a(n)) = 1; subsequence of A090421.
%Y A090422 Cf. A090423, A000040, A004676, A007088.
%Y A090422 Sequence in context: A152961 A109461 A138539 this_sequence A005109 A080608 
               A137812
%Y A090422 Adjacent sequences: A090419 A090420 A090421 this_sequence A090423 A090424 
               A090425
%K A090422 nonn,base
%O A090422 1,1
%A A090422 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 30 2003