Sequences needing more terms: high-value targets?

David Wasserman dwasserm at earthlink.com
Tue May 15 05:19:32 CEST 2007


sequences/more.html is titled "Sequences That Need Extending". I  
sequences in the "more" list merely because there is room for more  
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From: "Jon Schoenfield" <jonscho at hiwaay.net>
To: "David Wasserman" <dwasserm at earthlink.com>,
   "Sequence Fans" <seqfan at ext.jussieu.fr>
References: <007401c7967c$537a65f0$d104b4d8 at DCR74871> <Pine.LNX.4.64.0705142321350.9338 at digraph.polyomino.org.uk> <5DA9CE29-907A-416D-9771-AABC2F390553 at earthlink.com>
Subject: Re: Sequences needing more terms:  high-value targets?
Date: Tue, 15 May 2007 01:53:06 -0500
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David,

> So I don't think we should have  sequences in the "more" list merely 
> because there is room for more  terms.

I've kinda wondered about having sequences (12 at present) that are 
simultaneously "dumb" and "more" ... ?:-|

> BTW, here's a bit of irony: there are 34 sequences with both the  keywords 
> "more" and "less". Fortunately there are none with both  "hard" and 
> "easy".

Not anymore, anyway!  :-)  (Last August, I searched for "keyword:hard 
keyword:easy" and got 3 hits (A093397, A093398, and A117103).  I emailed 
Neil to ask about them, and he agreed those two keywords were incompatible. 
I checked those sequences again just now, and they no longer show either of 
those keywords.  (And only one shows keyword "more":  the only one of the 
three that has more than half a line of terms ... hmmm ....)

Thanks for writing!

-- Jon







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