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A188396 Positions of 0 in A188395; complement of A188397.

%I A188396 #9 Apr 26 2018 03:49:53
%S A188396 3,10,17,20,27,34,37,44,51,58,61,68,75,78,85,92,99,102,109,116,119,
%T A188396 126,133,136,143,150,157,160,167,174,177,184,191,198,201,208,215,218,
%U A188396 225,232,235,242,249,256,259,266,273,276,283,290,297,300,307,314,317,324,331,338,341,348,355,358,365,372,375,382,389,396,399,406,413,416
%N A188396 Positions of 0 in A188395; complement of A188397.
%C A188396 See A187950, A188395.
%H A188396 G. C. Greubel, <a href="/A188396/b188396.txt">Table of n, a(n) for n = 1..10000</a>
%t A188396 r=2^(-1/2); k=4;
%t A188396 t=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n,1,220}]   (* A188395 *)
%t A188396 Flatten[Position[t,0] ]   (* A188396 *)
%t A188396 Flatten[Position[t,1] ]   (* A188397 *)
%o A188396 (PARI) lista(nn) = Vec(select(x->x==0, vector(nn, n, floor((n+4)/sqrt(2)) - floor(n/sqrt(2)) - floor(4/sqrt(2))), 1)); \\ _Michel Marcus_, Apr 26 2018
%Y A188396 Cf. A187950, A188395, A188397.
%K A188396 nonn
%O A188396 1,1
%A A188396 _Clark Kimberling_, Mar 30 2011