[seqfan] Re: 23 sequences (+ warning)

[Wouter Meeussen]

A139039 done, now taking on A175789

please give notice of any seq's you are taking on to avoid double edits
As long as edits are not 'officialised' by an 'editor-in-Chief', the 
non-ascii signs will still be there for someone else to re-edit!

wouter



-----Original Message----- 
From: Wouter Meeussen
Sent: Sunday, February 10, 2013 1:04 PM
To: Sequence Fanatics Discussion list
Subject: [seqfan] Re: 23 sequences

the first I looked at : A139039

there is more at hand than just a 'not-tilde' that might be either
equal, not-equal, greater, less,  etc.

The entire mathematica formula line is in need of correction.
Working on it ...

Wouter.

-----Original Message----- 
From: Charles Greathouse
Sent: Sunday, February 10, 2013 7:18 AM
To: Sequence Fanatics Discussion list
Subject: [seqfan] 23 sequences

It seems that several sequences
https://oeis.org/search?q=nonascii&language=english
have the notation (nonascii character here). If any contributors have a
moment to spare, look through these sequences and see if you can fix two or
three.

Most of these are cases of formulas with some Greek or other symbol which
has been omitted. Representative example:

The case r = 1 gives standard alternating sign matrices, while the case in
which all matrix entries are nonnegative gives semimagic squares. We show
that the higher spin alternating sign matrices of size n are the integer
points of the r-th dilate of an integral convex polytope of dimension (n
[nonascii character here] 1)^2 whose vertices are the standard alternating
sign matrices of size n. It then follows that, for fixed n, these matrices
are enumerated by an Ehrhart polynomial in r.

Charles Greathouse
Analyst/Programmer
Case Western Reserve University

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