Balancing numbers were first considered by Behera and Panda in [1] when they considered the integer solutions of the Diophantine equation
for some positive integers and . In this case is called a balancing number with balancer (or cobalancing number) . For example, and are balancing numbers with cobalancing numbers which are and , respectively.
The th balancing number is denoted by and the th cobalancing number is denoted by . They satisfy the recurrence relations and for , with initial values and .
From (1), one has