There are three basic counting rules used in this section, one for each of the arithmetic operations of multiplication, addition and subtraction. To find the total number of outcomes for two or more ...

Suppose we have 10 people competing for the All Around Championship and we will have 3 medals: gold, silver, bronze. How many possible outcomes are there? We are looking for the number of sequences of ...

ABSTRACT: In the present paper we investigate the relationship between Wiener number W, hyper-Wiener number R, Wiener vectors WV, hyper-Wiener vectors HWV, Wiener polynomial H, hyper-Wiener polynomial ...