Search: id:A045998
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%I A045998
%S A045998 1,11,1,1011,111001,110011,10001,10111011,1110111001,1110110011,
%T A045998 1110010001,1100111011,100111001,101100110011,11100100010001,
%U A045998 11001110111011,1001110111001,1011001110110011,111001001110010001
%N A045998 Binary Gleichniszahlen-Reihe (BGR) sequence: describe previous term (cf. 
               A005150), reduce number of digits seen mod 2 (then for the purposes 
               of this data-base, discard leading zeros).
%C A045998 Terms with a leading zero: a(2),a(6),a(12),a(16),a(20),a(28),a(32),a(36),
               a(40),a(44),a(48),a(60),...
%D A045998 N. Worrick, S. Lewis and B. Shrader, A possible formula for the length 
               of BGR sequences, Graph Theory Notes of New York, XXXVI (1999), p. 
               25.
%e A045998 1,11,01,1011,111001,110011,010001,... (after 110011, next term is 212021 
               -> 010001 -> 10001).
%Y A045998 Cf. A005150, A045999, A048522.
%Y A045998 Sequence in context: A093158 A132098 A160480 this_sequence A027645 A010190 
               A087774
%Y A045998 Adjacent sequences: A045995 A045996 A045997 this_sequence A045999 A046000 
               A046001
%K A045998 nonn,base,easy
%O A045998 0,2
%A A045998 N. J. A. Sloane (njas(AT)research.att.com).
%E A045998 More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 
               1999.

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