Table 13 Magic formulas for the icosahedron

Atoms

\(\frac {10}{3}n^{3} + 5n^{2} + \frac {11}{3}n + 1,~n\ge 1\)

Bonds

20n³+15n²+7n, n≥1

cn=6

12, n≥1

cn=8

30n−30, n≥1

cn=9

10n²−30n+20, n≥1

cn=12

\(\frac {10}{3}n^{3} - 5n^{2} + \frac {11}{3}n -1,~n\ge 1\)