A189721 - OEIS

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

%S 0,1,2,3,3,3,4,4,4,5,5,5,5,6,7,7,8,9,10,10,10,10,11,12,12,13,14,15,15,

%T 15,15,16,17,17,18,19,19,20,21,22,22,22,23,23,23,23,24,25,26,26,26,27,

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

%N Partial sums of A189718.

%C See A189718.

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

%t (See A189718.)

%Y Cf. A189718, A189719, A189720.

%K nonn

%O 1,3

%A _Clark Kimberling_, Apr 26 2011