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%I #11 Jun 13 2015 00:53:42
%S 1,3,6,10,15,21,27,35,43,52,62,73,85,97,111,125,140,156,173,191,209,
%T 229,249,270,292,315,339,363,389,415,442,470,499,529,559,591,623,656,
%U 690,725,761,797,835,873,912,952,993,1035,1077,1121,1165,1210,1256,1303,1351,1399,1449,1499,1550,1602,1655,1709,1763,1819,1875,1932,1990,2049,2109,2169,2231,2293
%N n-1+ceiling((3/4)n^2); complement of A184008.
%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1,0,0,0,0,1,-2,1).
%t a=7/3; b=0;
%t Table[n+Floor[(a*n+b)^(1/2)],{n,100}]
%t Table[n-1+Ceiling[(n*n-b)/a],{n,80}]
%Y Cf. A184008.
%K nonn,easy
%O 1,2
%A _Clark Kimberling_, Jan 08 2011
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