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A219903
Number of isomorphism classes of IPR nanocones with 4 pentagons and a symmetric boundary of length n.
4
0, 0, 0, 0, 4, 15, 48, 111, 238, 441, 782, 1279, 2029, 3055, 4499, 6390
OFFSET
0,5
LINKS
Gunnar Brinkmann and Nico Van Cleemput, Classification and generation of nanocones, Discrete Applied Mathematics, 159 (2011), 1528-1539.
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Dec 01 2012
STATUS
approved