A132405 - OEIS

%I #12 Sep 08 2022 08:45:31

%S 2,1,2,3,5,11,22,46,100,220,494,1130,2617,6135,14528,34711,83581,

%T 202654,494410,1212912,2990511,7406844,18421178,45988059,115207838,

%U 289540842,729832977,1844715643,4674594883,11873860646,30227731181,77112265803

%N Floor(exp(n)/n^2).

%H Vincenzo Librandi, <a href="/A132405/b132405.txt">Table of n, a(n) for n = 1..1000</a>

%t Table[Floor[E^n/n^2], {n, 40}] (* _Vincenzo Librandi_, Feb 19 2013 *)

%o (Magma) [Floor(Exp(n)/n^2): n in [1..40]]; // _Vincenzo Librandi_, Feb 19 2013

%Y Cf. A107316.

%K nonn,easy

%O 1,1

%A _Mohammad K. Azarian_, Nov 12 2007

%E Changed offset from 0 to 1 by _Vincenzo Librandi_, Feb 19 2013