A072418 Parity of floor(3^n/2^n).

1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0

Offset

1,1

Links

Michael De Vlieger, Table of n, a(n) for n = 1..10000

Formula

a(n) = floor(3^n/2^n) mod 2 = A002379(n) mod 2.

Mathematica

Table[Floor[3^w/2^w], {w, 1, 256}]

Crossrefs

Cf. A002379.

Sequence in context: A285657 A162519 A181359 * A128973 A176412 A013596

Adjacent sequences: A072415 A072416 A072417 * A072419 A072420 A072421

Keyword

nonn

Author

Labos Elemer, Jun 17 2002

Extensions

Edited by Michael De Vlieger, Nov 05 2020

Status

approved