[r-t] Extents of minor

Stephen Penney stephen at ucalegon.com
Wed Aug 18 09:35:55 UTC 2004

Simple question: how many extents of minor are there?

Obviously, there are 720! ways of arranging the rows, but the vast majority
of these will include jump changes.
The maths required to produce the reduced list of true extents are somewhat
beyond me....


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