A257585 A254077(n) mod 2.

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

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: A267423 A108340 A341040 * A285034 A266174 A088917

Adjacent sequences: A257582 A257583 A257584 * A257586 A257587 A257588

Keyword

nonn

Author

N. J. A. Sloane, May 05 2015

Status

approved