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A189660 Partial sums of A064990. 6

%I #6 Mar 30 2012 18:57:25

%S 0,0,1,1,1,2,3,4,4,4,4,5,5,5,6,7,8,8,9,10,10,11,12,12,12,12,13,13,13,

%T 14,14,14,15,16,17,17,17,17,18,18,18,19,20,21,21,22,23,23,24,25,25,25,

%U 25,26,27,28,28,29,30,30,30,30,31,32,33,33,34,35,35,35,35,36,36,36,37,37,37,38,39,40,40

%N Partial sums of A064990.

%C See A064990.

%F s(n)=s([(n+2)/3])+s([(n+1)/3])+[n/3]-s([n/3]), where s(0)=0, s(1)=0.

%t (See A064990.)

%Y Cf. A064990, A189658, A189659.

%K nonn

%O 1,6

%A _Clark Kimberling_, Apr 25 2011

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