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A026517 a(n) = t(5n), where t = A001285 (Thue-Morse sequence). 2
1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 1, 1, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

Table of n, a(n) for n=0..89.

Michael Gilleland, Some Self-Similar Integer Sequences

PROG

(PARI) a(n)=1+hammingweight(5*n)%2 \\ Charles R Greathouse IV, May 09 2016

CROSSREFS

Cf. A001285.

Sequence in context: A190611 A000377 A192013 * A072047 A327521 A282870

Adjacent sequences:  A026514 A026515 A026516 * A026518 A026519 A026520

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Name and Pari code corrected by Sean A. Irvine, Oct 05 2019

STATUS

approved

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Last modified November 14 15:00 EST 2019. Contains 329126 sequences. (Running on oeis4.)