login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Ceiling(n + n^(2/3)).
6

%I #19 Sep 08 2022 08:45:32

%S 2,4,6,7,8,10,11,12,14,15,16,18,19,20,22,23,24,25,27,28,29,30,32,33,

%T 34,35,36,38,39,40,41,43,44,45,46,47,49,50,51,52,53,55,56,57,58,59,61,

%U 62,63,64,65,66,68,69,70,71,72,73,75,76,77,78,79,80,82,83

%N Ceiling(n + n^(2/3)).

%H Vincenzo Librandi, <a href="/A135673/b135673.txt">Table of n, a(n) for n = 1..1000</a>

%e a(6) = 10; ceiling(6 + 6^(2/3)) = ceiling(9.30192...) = 10.

%p A135673:=n->ceil(n + n^(2/3)); seq(A135673(k), k=1..100); # _Wesley Ivan Hurt_, Nov 01 2013

%t Table[Ceiling[n+n^(2/3)],{n,60}] (* _Harvey P. Dale_, Nov 17 2012 *)

%o (Magma) [Ceiling(n + n^(2/3)): n in [1..100]]; // _Vincenzo Librandi_, Feb 16 2013

%Y Cf. A135660, A135661, A135662, A135663, A135664, A135665, A028391, A135668, A135669, A135670, A135671, A135672.

%K nonn,easy

%O 1,1

%A _Mohammad K. Azarian_, Nov 25 2007

%E More terms from _Wesley Ivan Hurt_, Nov 01 2013