A081883 - cp's OEIS frontend

A081883 Numbers n such that the number of steps needed to reach an integer starting with n-1/4 or n+1/4 and iterating the map x-->x*ceiling(x) is the same.

%I A081883 #6 Mar 30 2012 18:39:17
%S A081883 5,9,21,37,46,49,53,69,85,101,113,117,121,133,137,149,165,174,177,181,
%T A081883 197,213,217,229,241,245,261,265,277,293,302,305,309,313,325,341,357,
%U A081883 369,373,389,393,405,421,430,433,437,441,453,469,485,497,501,517,521
%N A081883 Numbers n such that the number of steps needed to reach an integer starting with n-1/4 or n+1/4 and iterating the map x-->x*ceiling(x) is the same.
%Y A081883 Cf. A068119.
%K A081883 nonn
%O A081883 1,1
%A A081883 _Benoit Cloitre_, Apr 13 2003

cp's OEIS Frontend

A081883 Numbers n such that the number of steps needed to reach an integer starting with n-1/4 or n+1/4 and iterating the map x-->x*ceiling(x) is the same.