A300075 - OEIS

A300075

Period 6: repeat [0, 1, 1, 2, 2, 2].

0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 2, 2

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OFFSET

0,4

COMMENTS

Underlying A300076.

LINKS

Table of n, a(n) for n=0..77.

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,1).

FORMULA

a(n) = floor(((n+1) (mod 6))/2) + 2*floor((n (mod 6))/5), n >= 0.

G.f.: x*(1 + x + 2*x^2*(1 + x + x^2))/(1 - x^6).

a(n) = (4 - 2*cos(n*Pi/3) - cos(2*n*Pi/3) - cos(n*Pi) - sqrt(3)*sin(n*Pi/3))/3. - Wesley Ivan Hurt, Oct 04 2018

CROSSREFS

Cf. A300067, A300069, A300076.

Sequence in context: A333880 A370303 A020943 * A056557 A342624 A302986

Adjacent sequences: A300072 A300073 A300074 * A300076 A300077 A300078

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Mar 03 2018

STATUS

approved