[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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