[seqfan] Re: Query

Paul D Hanna pauldhanna at juno.com
Tue Nov 10 23:44:32 CET 2009

Sequence A112555 is not essentially the same as any of the others. 
The elements in triangular matrix A112555 may match A108561 in absolute value, 
but the signs are crucial to the properties that the matrix A112555 exhibits;  
the main property being: T^m = I + m*(T - I). 
This property is not satisfied by A108561. 
---------- Original Message ----------
From: Richard Guy <rkg at cpsc.ucalgary.ca>
To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
Subject: [seqfan]  Query
Date: Tue, 10 Nov 2009 13:58:39 -0700 (MST)

Aren't A035317, A059259, A080242,
A108561, A112555 essentially the
same?  Or at least deserve some
cross-references?     R.


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