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From: ark@alice.UucP (Andrew Koenig)
Newsgroups: net.math
Subject: Re: series sum
Message-ID: <4873@alice.UUCP>
Date: Fri, 24-Jan-86 10:18:03 EST
Article-I.D.: alice.4873
Posted: Fri Jan 24 10:18:03 1986
Date-Received: Sat, 25-Jan-86 08:08:21 EST
References: <2265@utcsstat.uucp>
Organization: Bell Labs, Murray Hill
Lines: 3

Sure ... the sum of n terms of 1 + 3 + 6 + 10 + 15 ... is

	n(n+1)(n+2)/6