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A257585 A254077(n) mod 2. 3
1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

COMMENTS

Much more unpredictable than (A098550 mod 2).

LINKS

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

PROG

(Haskell)

a257585 = flip mod 2 . a254077  -- Reinhard Zumkeller, May 05 2015

CROSSREFS

Cf. A098550, A250299.

Sequence in context: A262693 A267423 A108340 * A285034 A266174 A088917

Adjacent sequences:  A257582 A257583 A257584 * A257586 A257587 A257588

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 05 2015

STATUS

approved

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Last modified November 18 12:35 EST 2019. Contains 329261 sequences. (Running on oeis4.)