[seqfan] Fwd: Formula for A025672

David Wilson davidwwilson at comcast.net
Mon Feb 20 02:44:16 CET 2012


The sender already A025672 the sequence with the following formula.

My intuition says the formula is wrong.

Any takers?

-------- Original Message --------
Subject: 	Formula for A025672
Date: 	Sat, 4 Feb 2012 15:25:49 +0000
From: 	Mircea Merca <mircea.merca at profinfo.edu.ro>
To: 	davidwwilson at comcast.net <davidwwilson at comcast.net>



Dear David W. Wilson,

I am glad to say I found a formula for the sequence A025672 .

A025672(n)  =  floor((1/4)*ceil(2*sqrt(n))^2)-k

I hope it is useful.

Sincerely,

Mircea Merca,

Department of Informatics,

Constantin Istrati Technical College,

105600 Campina, Romania




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