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A087068 Sum{Floor(n*(r^k): r=2/3, k>=0). 0

%I

%S 0,1,3,6,8,11,14,17,20,23,24,28,32,33,37,39,43,46,50,51,53,58,59,64,

%T 67,69,73,77,78,80,83,87,90,92,95,99,103,104,108,112,113,118,120,122,

%U 125,128,132,134,138,139,142,146,150,152,157,158,161,165,168,171,173,178

%N Sum{Floor(n*(r^k): r=2/3, k>=0).

%e a(4)=8=4+[4*2/3]+[4*4/9]+[4*8/27]+[4*16/81]...

%Y Cf. A005187.

%K nonn

%O 0,3

%A _Clark Kimberling_, Aug 07 2003

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Last modified January 20 21:15 EST 2022. Contains 350472 sequences. (Running on oeis4.)