A219904 Number of isomorphism classes of IPR nanocones with 4 pentagons and a nearsymmetric boundary of length n.

0, 0, 0, 0, 16, 136, 111, 272, 565, 1063, 1844, 3022, 4717, 7093, 10319, 14617

Offset

0,5

Links

Table of n, a(n) for n=0..15.

Gunnar Brinkmann and Nico Van Cleemput, Classification and generation of nanocones, Discrete Applied Mathematics, 159 (2011), 1528-1539.

Crossrefs

Cf. A197988, A198014, A198015, A198016, A198086.

Cf. A219901, A219902, A219903, A219905.

Sequence in context: A161876 A110274 A067814 * A253303 A139616 A304506

Adjacent sequences: A219901 A219902 A219903 * A219905 A219906 A219907

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 01 2012

Status

approved