Re: [math-fun] [EXTERNAL] Hitting 5

Could you sketch a bit more of what's going on here? Suppose S begins with 321. How does this hit 5? Rich ________________________________________ From: math-fun-bounces@mailman.xmission.com [math-fun-bounces@mailman.xmission.com] on behalf of Eric Angelini [Eric.Angelini@kntv.be] Sent: Sunday, March 11, 2012 12:23 PM To: math-fun Subject: [EXTERNAL] [math-fun] Hitting 5 Start sequence S with any integer. If a(n) is the sum of the last two digits of S, S will always hit 5 at some point. Best, É. _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun