A109753 - OEIS

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A109753

n^3 mod 8; the periodic sequence {0,1,0,3,0,5,0,7}.

0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0, 1, 0, 3, 0, 5, 0, 7, 0

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

LINKS

Table of n, a(n) for n=0..104.

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

FORMULA

G.f. = (x+3x^3+5x^5+7x^7)/(1-x^8)

PROG

(Sage) [power_mod(n, 3, 8 ) for n in range(0, 105)] # - Zerinvary Lajos, Oct 29 2009

(PARI) a(n)=n^3%8 \\ Charles R Greathouse IV, Apr 06 2016

CROSSREFS