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From: ark@alice.UUCP (Andrew Koenig)
Newsgroups: net.bizarre,net.math
Subject: graph this function!
Message-ID: <4062@alice.UUCP>
Date: Sun, 28-Jul-85 00:23:26 EDT
Article-I.D.: alice.4062
Posted: Sun Jul 28 00:23:26 1985
Date-Received: Mon, 29-Jul-85 07:17:36 EDT
Organization: Bell Labs, Murray Hill
Lines: 10
Xref: watmath net.bizarre:39 net.math:2150

Here is a function:

	f(0) = 1
	f(1) = 1
	f(n) = f(n - f(n-1)) + f(n - f(n-2)), n > 1

It's easy to write a program to plot f(n) vs. n.
The function's truly strange behavior may be easier to see
if you plot f(n)-n/2 vs. n.  You will want to look at
the first several hundred values, at least.