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Subject: Re: Number of six men tablebases.

Author: Hans Havermann

Date: 15:45:20 08/11/99

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>>1, 5, 30, 110, 365, 1001, 2520, 5720, 12190, 24310, 46252, 83980, 147070,
>>248710, 408760, 653752, 1021735, 1562275, 2343770, 3453450, 5008003, 7153575,
>>10080720, 14024400, 19284460, 26225628, 35304920, 47071640,...

>>Sloane's A018213. Apparently S.M. Losanitsch's (1897) "alkane (or paraffin)
>>numbers".

On August 11, 1999 at 11:19:06, Michel Langeveld wrote:

>I did stop at 16 because all tables seems to be about 2 times the size of their
>precessor except. Hmm.. maybe I'm wrong in this. Where did you found the
>numbers?...

http://www.research.att.com/cgi-bin/access.cgi/as/njas/sequences/eisA.cgi?Anum=018213

There is a discussion of the mathematics behind this (and similar sequences) at:

http://www.research.att.com/~njas/sequences/classic.html#LOSS

In case you didn't catch the reason I posted this, the sequence (as described)
was based on "chemistry" considerations, *not* chess! :-)



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