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 A135033 Period 5: repeat 2,4,6,8,0. 1

%I

%S 2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,

%T 0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,

%U 8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0,2,4,6,8,0

%N Period 5: repeat 2,4,6,8,0.

%C "Cheerleader" sequence: reminiscent of the old cheer, "Two, Four, Six, Eight, Who do we appreciate!".

%F a(n) = 2*[(n+1) mod 5]

%F a(n) = 2*A010874(n+1). O.g.f.: -2(1+2x+3x^2+4x^3)/[(x-1)(1+x+x^2+x^3+x^4)]. - _R. J. Mathar_, Feb 14 2008

%e a(0) = 2*[(0+1) mod 5] = 2*(1 mod 5) = 2

%t PadRight[{},120,{2,4,6,8,0}] (* _Harvey P. Dale_, Nov 21 2018 *)

%K easy,nonn

%O 0,1

%A _William A. Tedeschi_, Feb 10 2008

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Last modified March 20 21:49 EDT 2019. Contains 321352 sequences. (Running on oeis4.)