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Partial sums of A343856.
2

%I #11 May 09 2021 05:00:31

%S 0,1,2,3,4,5,7,8,9,11,13,15,16,17,19,21,23,27,29,31,32,33,35,37,39,43,

%T 45,47,55,57,59,63,64,65,67,69,71,75,77,79,87,89,91,95,103,111,115,

%U 117,119,127,128,129,131,133,135,139,141,143,151,153,155,159,167

%N Partial sums of A343856.

%C The scatterplot of the sequence is similar at different scales.

%H Rémy Sigrist, <a href="/A343857/b343857.txt">Table of n, a(n) for n = 0..10776</a>

%H Rémy Sigrist, <a href="/A343857/a343857.gp.txt">PARI program for A343857</a>

%F Sum_{k = 1..Sum_{m = 1..n} A061419(m)} a(k) = 2^n-1.

%e a(3) = A343856(1) + A343856(2) + A343856(3) = 1 + 1 + 1 = 3.

%o (PARI) See Links section.

%o (Python) # auptorow in A343856

%o from itertools import accumulate

%o print([0]+list(accumulate(auptorow(8)))) # _Michael S. Branicky_, May 04 2021

%Y Cf. A061419, A343856.

%K nonn

%O 0,3

%A _Rémy Sigrist_, May 01 2021