%I A115421
%S A115421 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,
%T A115421 55,56,57,58,59,60,61,62,63,96,97,98,99,100,101,102,103,104,105,106,107,
%U A115421 108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124
%N A115421 Numbers having a 1 in position 5 of their binary expansion.
%C A115421 One of the mystery calculator sequences: A005408, A042964, A047566, A115419, 
               A115420, A115421.
%H A115421 Maths Magic, <a href="http://www.mathsyear2000.org/explorer/mathsmagic/
               realmystery/">Mystery Calculator</a>.
%e A115421 a(1) = 32 = 100000 in binary.
%Y A115421 Cf. A005408, A042964, A047566, A115419, A115420.
%Y A115421 Sequence in context: A035037 A070618 A070625 this_sequence A108927 A085259 
               A054032
%Y A115421 Adjacent sequences: A115418 A115419 A115420 this_sequence A115422 A115423 
               A115424
%K A115421 base,easy,nonn
%O A115421 1,1
%A A115421 Jeremy Gardiner (jeremy.gardiner(AT)btinternet.com), Jan 22 2006