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A195376 Parity of EKG sequence A064413. 6
1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

COMMENTS

Characteristic function of odd terms in A064413: a(A064957(n)) = 1 and a(A064953(n)) = 0;

A064654 gives lengths of runs of zeros and ones.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, EKG Sequence

Index entries for sequences related to EKG sequence

Index entries for characteristic functions

FORMULA

a(n) = A064413(n) mod 2.

a(n) = A000035(A064413(n)). - Omar E. Pol, Oct 28 2013

PROG

(Haskell)

a195376 n = a195376_list !! (n-1)

a195376_list = map (`mod` 2) a064413_list

-- Reinhard Zumkeller, Sep 17 2001

CROSSREFS

Sequence in context: A187615 A120528 A287663 * A164950 A068433 A266895

Adjacent sequences:  A195373 A195374 A195375 * A195377 A195378 A195379

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Sep 17 2011

STATUS

approved

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Last modified September 21 12:35 EDT 2019. Contains 327253 sequences. (Running on oeis4.)