On Face Index of Silicon Carbides

Table 2

Numbers of , , and with given number of rows.

No. of rows
2	2a	2a	3a−5
3	2a + 2	2a + 2	8a−12
4	2a + 4	2a + 4	13a−19
.	.	.	.
.	.	.	.
.	.	.	.
B	2(a + b)−4	2(a + b)−4	5ab−7(a + b) + 9

The rest follows from the definition of the face index.