Java Project: Values of a sequence: The program outputs the first $20$ terms of a sequence defined by the recurrence relation an $=c1an-1+c2an-2-(\frac{c1+c2}{3})\frac{an-1+an-2}{5},a1=c3,a2=c4,$ where the integers $c1,c2,c3,$ and $c4$ are input.

Algorithm