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A184621 a(n) = floor((n-h)*s+h), where s=2+sqrt(2) and h=1/4; complement of A184620.

%I A184621 #10 Sep 08 2022 08:45:55
%S A184621 2,6,9,13,16,19,23,26,30,33,36,40,43,47,50,54,57,60,64,67,71,74,77,81,
%T A184621 84,88,91,94,98,101,105,108,112,115,118,122,125,129,132,135,139,142,
%U A184621 146,149,153,156,159,163,166,170,173,176,180,183,187,190,194,197,200,204,207,211,214,217,221,224,228,231,234,238,241,245,248,252,255,258,262,265,269,272,275,279,282,286,289,293,296,299,303,306,310,313,316,320,323,327,330,333,337,340,344,347,351,354,357,361,364,368,371,374,378,381,385,388,392,395,398,402,405,409
%N A184621 a(n) = floor((n-h)*s+h), where s=2+sqrt(2) and h=1/4; complement of A184620.
%H A184621 G. C. Greubel, <a href="/A184621/b184621.txt">Table of n, a(n) for n = 1..10000</a>
%t A184621 r=2^(1/2); h=1/4; s=r/(r-1);
%t A184621 Table[Floor[n*r+h],{n,1,120}]  (* A184620 *)
%t A184621 Table[Floor[n*s+h-h*s],{n,1,120}]  (* A184621 *)
%o A184621 (PARI) vector(120, n, floor((n-1/4)*(2+sqrt(2)) + 1/4)) \\ _G. C. Greubel_, Aug 18 2018
%o A184621 (Magma) [Floor((n-1/4)*(2+Sqrt(2)) +1/4): n in [1..120]]; // _G. C. Greubel_, Aug 18 2018
%Y A184621 Cf. A184618, A184620.
%K A184621 nonn
%O A184621 1,1
%A A184621 _Clark Kimberling_, Jan 18 2011