A198086 Number of isomorphism classes of nanocones with 5 pentagons and a symmetric boundary of length n.

1, 5, 14, 41, 93, 212, 413, 797, 1399, 2424, 3941, 6317, 9686, 14654, 21451, 31025, 43754, 61042, 83484, 113084, 150732, 199211, 259804, 336263, 430401, 547166, 689034, 862426, 1070653, 1321891, 1620501, 1976744, 2396247, 2891749, 3470397, 4147802, 4932954, 5844785, 6894435, 8104688, 9489198

Offset: 5

Author

Nico Van Cleemput, Oct 21 2011

Keywords

• nonn

Links

• Nico Van Cleemput, Table of n, a(n) for n = 5..75
• Gunnar Brinkmann and Nico Van Cleemput, Classification and generation of nanocones, Discrete Applied Mathematics, 159 (2011), 1528-1539.

Crossrefs

Cf. A197988, A198014, A198015, A198016.