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A058789 Number of polyhedra with n faces and n+1 vertices (or n vertices and n+1 faces). 0

%I

%S 0,1,2,11,74,633,6134,64439,709302,8085725,94713809,1134914458,

%T 13865916560,172301697581,2173270387051

%N Number of polyhedra with n faces and n+1 vertices (or n vertices and n+1 faces).

%C Through a(18) the only primes are 2, 11, and 64439. - _Jonathan Vos Post_, Apr 23 2011

%H G. P. Michon, <a href="http://www.numericana.com/data/polyhedra.htm">Counting Polyhedra</a>

%e a(5)=1 because the triangular prism is the only pentahedron with 6 vertices.

%Y Cf. A002856, A000109, A058786, A058787, A058788.

%K hard,nice,nonn

%O 4,3

%A _Gerard P. Michon_, Nov 30 2000

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Last modified November 15 06:05 EST 2019. Contains 329144 sequences. (Running on oeis4.)