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Sum

• To: mathgroup at smc.vnet.net
• Subject: [mg30129] Sum
• From: "marc jeanno" <ts at tsts.com>
• Date: Sun, 29 Jul 2001 21:26:20 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Dear Sirs,

let n be an integer >=1. Let us consider the following sums:

s(1)= P[1]Log[P[1]]
s(2)= P[2]Log[P[2]]+P[1]log[P[2]+P[1]]
s(3)= P[3]Log[P[3]]+P[2]Log[P[3]+P[2]]+P[1]Log[P[3]+P[2]+P[1]]