[seqfan] Re: Permutations along all diagonals and subdi

jens at voss-ahrensburg.de jens at voss-ahrensburg.de
Tue Jul 27 16:06:34 CEST 2010

> It seems there are no nXn solutions, at least for cases
> I can compute, up to 9x9.

This is a trivial fact: Since all corners have to be 1s,
there is no way for a "full diagonal" of an nXn-matrix to
be a permutation of 1..n (except of course for the case

 message sent through VSA Webmail v0.96 
 (c) 2010 October Labs http://www.october-labs.de
 VSA v3.6.0 licensed by XenonServer 
 for any support visit http://www.XenonServer.de 

More information about the SeqFan mailing list