Search: id:A115419
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%I A115419
%S A115419 8,9,10,11,12,13,14,15,24,25,26,27,28,29,30,31,40,41,42,43,44,45,46,47,
%T A115419 56,57,58,59,60,61,62,63,72,73,74,75,76,77,78,79,88,89,90,91,92,93,94,
%U A115419 95,104,105,106,107,108,109,110,111,120,121,122,123,124,125,126,127
%N A115419 Numbers having a 1 in position 3 of their binary expansion.
%C A115419 One of the mystery calculator sequences: A005408, A042964, A047566, A115419, 
               A115420, A115421.
%H A115419 Maths Magic, <a href="http://www.mathsyear2000.org/explorer/mathsmagic/
               realmystery/">Mystery Calculator</a>.
%e A115419 a(1) = 8 = 001000 in binary.
%Y A115419 Cf. A005408, A042964, A047566, A115420, A115421.
%Y A115419 Sequence in context: A046037 A089017 A023391 this_sequence A161639 A162788 
               A115842
%Y A115419 Adjacent sequences: A115416 A115417 A115418 this_sequence A115420 A115421 
               A115422
%K A115419 base,easy,nonn
%O A115419 1,1
%A A115419 Jeremy Gardiner (jeremy.gardiner(AT)btinternet.com), Jan 22 2006

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