cp's OEIS Frontend

A296349 Position where binary expansion of n starts in the binary Champernowne sequence A030190.

%I A296349 #14 Jul 18 2022 19:33:01
%S A296349 0,1,2,4,6,9,12,15,18,22,26,30,34,38,42,46,50,55,60,65,70,75,80,85,90,
%T A296349 95,100,105,110,115,120,125,130,136,142,148,154,160,166,172,178,184,
%U A296349 190,196,202,208,214,220,226,232,238,244,250,256,262,268,274,280,286,292
%N A296349 Position where binary expansion of n starts in the binary Champernowne sequence A030190.
%e A296349 A030190 begins as follows (the bits are indexed starting at 0):
%e A296349 0,
%e A296349 1,
%e A296349 1, 0,
%e A296349 1, 1,
%e A296349 1, 0, 0,
%e A296349 1, 0, 1,
%e A296349 1, 1, 0,
%e A296349 1, 1, 1,
%e A296349 1, 0, 0, 0,
%e A296349 1, 0, 0, 1,
%e A296349 1, 0, 1, 0,
%e A296349 1, 0, 1, 1,
%e A296349 1, 1, 0, 0,
%e A296349 1, 1, 0, 1,
%e A296349 1, 1, 1, 0,
%e A296349 1, 1, 1, 1,
%e A296349 1, 0, 0, 0, 0,
%e A296349 1, 0, 0, 0, 1,
%e A296349 ...
%e A296349 4 = 1,0,0 begins at the 6th bit, so a(4)=6; 5 = 1,0,1 begins at the 9th bit, so a(5)=9.
%Y A296349 Cf. A030190, A030302, A296364.
%Y A296349 This is A083652 prefixed by an initial 0.
%Y A296349 A296354 is closely related.
%Y A296349 Essentially partial sums of A070939.
%K A296349 nonn,base
%O A296349 0,3
%A A296349 _N. J. A. Sloane_, Dec 16 2017