[seqfan] Re: A002996 - help re references "une probleme d'enumeration"
David Scambler
dscambler at bmm.com
Sat Aug 25 12:45:06 CEST 2012
The review of "une probleme d'enumeration" contains what I was looking for.
The paper considers related Catalan objects, namely disjoint semi circles on the x-axis in the upper half plane
and goes on to analyse irreducible configurations, i.e. those that are not composed of two or more identical
smaller objects.
This is the same as what I was counting.
dave
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