login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Sum of the integer part of 3/2-th roots of integers less than n.
5

%I #5 Nov 11 2019 21:35:53

%S 0,1,2,4,6,8,11,14,18,22,26,30,35,40,45,51,57,63,69,76,83,90,97,105,

%T 113,121,129,138,147,156,165,174,184,194,204,214,224,235,246,257,268,

%U 279,291,303,315,327,339,352,365,378,391,404,417,431,445,459,473,487

%N Sum of the integer part of 3/2-th roots of integers less than n.

%H Robert Israel, <a href="/A032514/b032514.txt">Table of n, a(n) for n = 0..10000</a>

%p ListTools:-PartialSums([seq(floor(n^(2/3)),n=0..100)]); # _Robert Israel_, Nov 11 2019

%Y Partial sums of A100196.

%K nonn

%O 0,3

%A Michel Tixier (tixier(AT)dyadel.net)