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xt/oeis/Catalans-oeis.t  view on Meta::CPAN

       push @got, scalar($graph->successorful_vertices);
     }
     return \@got;
   });


#------------------------------------------------------------------------------
# split = Kreweras

# A000272 n^(n-2) = split, maximal chains
# Kreweras page 348 corollary 5.2 maximal chains m^(m-2).
# And ref to the same from Y. Poupard, "Codage et Denombrement
# Diverse Structures Apparentees a Celle d'Arbre", Cahiers BURO, volume
# 16, 1970, pages 71-80.
#
MyOEIS::compare_values
  (anum => 'A000272',
   max_count => 9,
   func => sub {
     my ($count) = @_;
     my @got;