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A188397 Positions of 1 in A188395; complement of A188396.

%I A188397 #12 Nov 22 2018 18:18:30
%S A188397 1,2,4,5,6,7,8,9,11,12,13,14,15,16,18,19,21,22,23,24,25,26,28,29,30,
%T A188397 31,32,33,35,36,38,39,40,41,42,43,45,46,47,48,49,50,52,53,54,55,56,57,
%U A188397 59,60,62,63,64,65,66,67,69,70,71,72,73,74,76,77,79,80,81,82,83,84,86,87,88,89,90,91,93,94,95,96,97,98,100,101,103,104,105,106,107,108,110,111,112
%N A188397 Positions of 1 in A188395; complement of A188396.
%C A188397 See A187950, A188395.
%H A188397 G. C. Greubel, <a href="/A188397/b188397.txt">Table of n, a(n) for n = 1..10000</a>
%t A188397 r=2^(-1/2); k=4;
%t A188397 t=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n,1,220}]   (* A188395 *)
%t A188397 Flatten[Position[t,0] ]   (* A188396 *)
%t A188397 Flatten[Position[t,1] ]   (* A188397 *)
%o A188397 (PARI) lista(nn) = Vec(select(x->x==1, vector(nn, n, floor((n+4)/sqrt(2)) - floor(n/sqrt(2)) - floor(4/sqrt(2))), 1)); \\ _Michel Marcus_, Apr 26 2018
%Y A188397 Cf. A187950, A188395, A188396.
%K A188397 nonn
%O A188397 1,2
%A A188397 _Clark Kimberling_, Mar 30 2011