A379805 - OEIS

%I #12 Jan 21 2025 06:32:31

%S 0,1,3,5,6,8,10,12,13,15,17,18,20,22,24,25,27,29,31,32,34,36,37,39,41,

%T 43,44,46,48,50,51,53,55,56,58,60,62,63,65,67,68,70,72,74,75,77,79,81,

%U 82,84,86,87,89,91,93,94,96,98,100,101,103,105,106,108,110,112,113,115,117,119,120,122,124,125,127,129,131,132,134,136,137,139,141,143,144,146,148,150,151,153,155,156,158,160,162,163

%N Floor of n*(1+sqrt(6))/2.

%H Paolo Xausa, <a href="/A379805/b379805.txt">Table of n, a(n) for n = 0..10000</a>

%t Floor[Range[0, 100]*(1 + Sqrt[6])/2] (* _Paolo Xausa_, Jan 21 2025 *)

%Y Cf. A000201, A182760, A379800, A379801.

%K nonn

%O 0,3

%A _N. J. A. Sloane_, Jan 20 2025

%E More than the usual number of terms are shown in order to distinguish this from a very similar sequence.