A080694

[Don Reble]

Seqfans:

%I A080694
%S A080694
1,18,4,18,18,48,28,54,8,72,26,36,42,36,36,24,24,48,10,162,52,84,114,
%T A080694
192,24,246,88,30,30,48,168,138,32,126,98,312,126,222,100,228,16,384,80,
%U A080694
258,120,192,26,360,20,300,16,360,178,180,430,390,32,162,170,192,42,306
%N A080694 Let u(1)=u(2)=1 and u(k)=abs(u(k-1)-u(k-2)-n); sequence gives
length of period of u(k).
%C A080694 u(k) is conjectured to be periodic for any n.

	Hey, I found a proof of that conjecture! Anyone wanna
	double-check? It's almost two pages long.
	http://www.graysage.com/djr/A080694.ps
--
Don Reble       djr at nk.ca