Search: id:A118275
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%I A118275
%S A118275 1,1,2,1,4,1,6,3,6,4,2,6,5,6
%N A118275 a(0) = 1. a(n) is the number of times the binary representation of a(n-1) 
               appears in the concatenated string of the terms a(0) through a(n-1) 
               written in binary. (The concatenated string is written from left 
               to right and each binary integer is written so the most significant 
               1 is on the left.).
%C A118275 Sequence A118274 is the string of terms of this sequence written in binary 
               and concatenated.
%H A118275 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%e A118275 The string of concatenated binary representations of a(0) through a(7) 
               is
%e A118275 11101100111011. Now a(7)= 3, which is 11 in binary. '11' occurs 6 times 
               in the string (with, in this case, some binary digits in the string 
               being used more than once). (The six '11's occur at {with position 
               1 on the left} positions 1, 2, 5, 9, 10 and 13.) So a(8) = 6. (And 
               '1,1,0' is appended to the end of sequence A118274.)
%Y A118275 Cf. A118274.
%Y A118275 Sequence in context: A074919 A138009 A131755 this_sequence A146938 A147418 
               A146386
%Y A118275 Adjacent sequences: A118272 A118273 A118274 this_sequence A118276 A118277 
               A118278
%K A118275 easy,more,nonn
%O A118275 0,3
%A A118275 Leroy Quet Apr 21 2006

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