Search: id:A107665
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%I A107665
%S A107665 4,6,9,44,46,49,64,66,69,94,96,99,444,446,449,464,466,469,494,496,499,
%T A107665 644,646,649,664,666,669,694,696,699,944,946,949,964,966,969,994,996,
%U A107665 999,4444,4446,4449,4464,4466,4469,4494,4496,4499,4644,4646,4649,4664
%N A107665 Numbers with semiprime digits (digits 4, 6, 9 only).
%Y A107665 Cf. A107666 (primes in this sequence), A001358 (semiprimes), A029581 
               (all digits are composite).
%Y A107665 Cf. A107342, A111494, A111496, A111697.
%Y A107665 Sequence in context: A046376 A085721 A081614 this_sequence A085733 A107342 
               A086698
%Y A107665 Adjacent sequences: A107662 A107663 A107664 this_sequence A107666 A107667 
               A107668
%K A107665 base,nonn
%O A107665 1,1
%A A107665 Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 19 2005

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