A188040 - OEIS

%I #15 Aug 06 2020 11:36:48

%S 1,3,4,5,6,8,9,10,11,13,14,15,16,17,18,20,21,22,23,25,26,27,28,29,30,

%T 32,33,34,35,37,38,39,40,42,43,44,45,46,47,49,50,51,52,54,55,56,57,58,

%U 59,61,62,63,64,66,67,68,69,71,72,73,74,75,76,78,79,80,81,83,84,85,86,87,88,90,91,92,93,95,96,97,98,99,100,102,103,104,105,107,108,109,110,112,113,114

%N Positions of 1 in A188038; complement of A188039.

%C See A188038 and A188014.

%C Starting at the second term, it seems to be part of the first column of A120861.  - _Petros Hadjicostas_, Jul 22 2020

%H G. C. Greubel, <a href="/A188040/b188040.txt">Table of n, a(n) for n = 1..10000</a>

%t r=2^(1/2)); k=2;

%t t=Table[Floor[n*r]-Floor[(n-k)*r]-Floor[k*r],{n,1,220}]   (*A188038*)

%t Flatten[Position[t,0]]  (*A188039*)

%t Flatten[Position[t,1]]  (*A188040*)

%Y Cf. A120861, A188014, A188038, A188039.

%K nonn

%O 1,2

%A _Clark Kimberling_, Mar 19 2011