From nkn at designcomputing.net  Thu Jun  1 07:07:36 2006
From: nkn at designcomputing.net (Nam-Ky Nguyen)
Date: Thu Jun 15 17:18:10 2006
Subject: Resolvable BIBD for v=21, b=30, k=7, r=10 and lambda=3
In-Reply-To: <20060531154157.GA28973@mrcpc02.maths.qmul.ac.uk>
Message-ID: <20060601060736.35390.qmail@web408.biz.mail.mud.yahoo.com>

Leonard,

Thank you.

Nam

--- Leonard Soicher <l.h.soicher@qmul.ac.uk> wrote:

> On Mon, May 29, 2006 at 05:59:24PM -0700, Nam-Ky
> Nguyen wrote:
> > Dear colleages,
> > 
> > Please give me the reference where I can get the
> above
> > resolvable BIBD.
> 
> There is no resolvable (21,30,10,7,3)-BIBD. See the
> Handbook of
> Combinatorial Designs, page 15.
> 
> Regards,
> Leonard
> 
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Nam-Ky Nguyen, Ph.D.
Design Computing
email: nkn@designcomputing.net
URL:   http://designcomputing.net/nkn/