duplicate hunting, pt. 21

Ralf Stephan ralf at ark.in-berlin.de
Thu May 31 12:20:14 CEST 2007

> A039963 and A092444 (after adjusting for offset differences)
> http://www.research.att.com/~njas/sequences/?q=id:A039963|id:A092444

Yes, definitely, after adjusting for offset.
It can be also described as

%C A039963 The period-doubling sequence (A035263) repeated.
%F A039963 Recurrence: a(4n+1) = a(4n+2) = 1, a(4n+3) = a(4n+4) = 1-a(2n).


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