[seqfan] Re: A140993

RGWv rgwv at rgwv.com
Fri Dec 23 03:45:04 CET 2011

And the last row begins: 1, 2, 5, 12, 29, 70, 169, 408, 985, 2378, ... with 
are the Pell numbers (A000129). Bob.

-----Original Message----- 
From: Ed Jeffery
Sent: Thursday, December 22, 2011 8:33 PM
To: seqfan at list.seqfan.eu
Subject: [seqfan] A140993


Sum of entries in the n-th row of triangle A140993 (http://oeis.org/A140993)
seems to equal 2^n, with anti-diagonal sums of the triangle being a
sequence beginning as


which is evidently not in OEIS.

Does the n-th row of A140993 tend to A141682 (http://oeis.org/A141682), as
n --> infinity?


Ed Jeffery


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