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%I #7 Apr 09 2021 20:38:31
%S 4,9,14,19,24,29,34,39,45,49,55,59,65,69,75,80,84,90,94,100,104,110,
%T 115,120,125,130,135,140,145,151,155,160,165,170,175,180,186,190,196,
%U 200,206,210,216,221,226,231,235,241,245,251,256,261,266,271,276,281,286,292,296,302,306,311,316,321,327,331,337,341,347,351,357,362,367,372,377,382,386,392,397,402,407,412,417
%N a(n) = n + [nr/t] + [ns/t]; r=1, s=Pi/2, t=2/Pi.
%C See A189515.
%t (See A189515.)
%Y Cf. A189515, A189516.
%K nonn
%O 1,1
%A _Clark Kimberling_, Apr 23 2011