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a(n) = ceiling(n*sqrt(11)).
1

%I #15 Sep 08 2022 08:45:59

%S 0,4,7,10,14,17,20,24,27,30,34,37,40,44,47,50,54,57,60,64,67,70,73,77,

%T 80,83,87,90,93,97,100,103,107,110,113,117,120,123,127,130,133,136,

%U 140,143,146,150,153,156,160,163,166,170,173,176,180

%N a(n) = ceiling(n*sqrt(11)).

%C The first term where this sequence is different from A067497 is a(22)=73, compared with A067497(22)=74. - _Jean-François Alcover_, Jan 29 2014

%H Vincenzo Librandi, <a href="/A198266/b198266.txt">Table of n, a(n) for n = 0..10000</a>

%t Ceiling[Range[0,60]Sqrt[11]] (* _Harvey P. Dale_, Aug 20 2017 *)

%o (Magma) [Ceiling(n*Sqrt(11)): n in [0..60]]

%Y Cf. A067497, A171982.

%K nonn,easy

%O 0,2

%A _Vincenzo Librandi_, Oct 24 2011