From: Mathieu Bouchard <matju@...>
Date: 2001-03-10T01:45:21+09:00
Subject: [ruby-talk:12337] Re: ...and the challenge

On Sat, 10 Mar 2001, Robert Feldt wrote:
> Hi again,
> Yes I forgot the challenge:
> Write a nice, fast and small Ruby program for generating the n
> first numbers in the Hamming sequence defined as
> "List of all numbers, in ascending order, of the form
> (2**i)*(3**j)*(5**k) for i,j,k at least 0. It begins like
> 	1 2 3 4 5 6 8 9 10 12 15 16 18 ..."

Here's one for a start. it's not fast though.


	def suck(i,x); while x%i==0; x/=i; end; x; end
	n=1; loop do p n if 1 == (suck 2, suck 3, suck 5, n); n+=1; end


matju