A219902 - OEIS

%I #9 Jan 29 2023 07:45:26

%S 0,0,5,14,32,57,97,145,215,295,402,522,675,842,1049,1272

%N Number of isomorphism classes of IPR nanocones with 3 pentagons and a nearsymmetric boundary of length n.

%H Gunnar Brinkmann and Nico Van Cleemput, <a href="https://doi.org/10.1016/j.dam.2011.06.014">Classification and generation of nanocones</a>, Discrete Applied Mathematics, 159 (2011), 1528-1539.

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

%Y Cf. A219901, A219903, A219904, A219905.

%K nonn,more

%O 0,3

%A _N. J. A. Sloane_, Dec 01 2012