Search: id:A001387
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%I A001387
%S A001387 1,11,101,111011,11110101,100110111011,111001011011110101,
%T A001387 111100111010110100110111011,100110011110111010110111001011011110101,
%U A001387 1110010110010011011110111010110111100111010110100110111011
%N A001387 Decimal encoding of a binary "look and say" sequence (A005150). To get 
               the 5th term, for example, note that 4th term has three (11 in binary!) 
               1's, one (1) 0 and two (10) 1's, giving 11 1 1 0 10 1.
%C A001387 I conjecture that the ratio r(n) of the number of "1"s to the number 
               of "0"s in a(n) converges to 5/3 (or some nearby limit). - Joseph 
               L. Pe (joseph_l_pe(AT)hotmail.com), Jan 31 2003
%H A001387 T. Sillke, <a href="http://www.mathematik.uni-bielefeld.de/~sillke/SEQUENCES/
               series001">The binary form of Conway's sequence</a>
%Y A001387 Cf. A005150, A049194.
%Y A001387 Sequence in context: A082620 A156668 A103992 this_sequence A100580 A087744 
               A054421
%Y A001387 Adjacent sequences: A001384 A001385 A001386 this_sequence A001388 A001389 
               A001390
%K A001387 nonn,base
%O A001387 1,2
%A A001387 tly1(AT)color.ithaca.ny.us (Thomas L. York)

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