%I #8 Jan 29 2023 08:01:59
%S 0,0,0,0,4,15,48,111,238,441,782,1279,2029,3055,4499,6390
%N Number of isomorphism classes of IPR nanocones with 4 pentagons and a symmetric 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, A219902, A219904, A219905.
%K nonn,more
%O 0,5
%A _N. J. A. Sloane_, Dec 01 2012