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A185546 a(n) = floor((1/2)*(n+1)^(3/2)); complement of A185547. 2

%I #12 Jul 08 2017 03:16:15

%S 1,2,4,5,7,9,11,13,15,18,20,23,26,29,32,35,38,41,44,48,51,55,58,62,66,

%T 70,74,78,82,86,90,94,99,103,108,112,117,121,126,131,136,140,145,150,

%U 155,161,166,171,176,182,187,192,198,203,209,215,220,226,232,238,244,250

%N a(n) = floor((1/2)*(n+1)^(3/2)); complement of A185547.

%H G. C. Greubel, <a href="/A185546/b185546.txt">Table of n, a(n) for n = 1..5000</a>

%F a(n) = floor((1/2)*(n+1)^(3/2)).

%t f[n_] = Floor[(1/2)*(n+1)^(3/2)];

%t t1=Table[f[n],{n,1,90}];t1 (* A185546 *)

%t t2=Complement[Range[200], Table[f[n],{n,1,80}]];t2 (* 185547 *)

%o (PARI) for(n=1,50, print1(floor((1/2)*(n+1)^(3/2)), ", ")) \\ _G. C. Greubel_, Jul 07 2017

%Y Cf. A185547.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jan 30 2011

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)