Arithmetic Sequence

Overview

An arithmetic sequence $(a_n{)}_{n\ge 0}^d$ is a sequence in which each term differs by a constant $d$. Given initial term $a$, it has recursive definition $a_n=a_{n-1}+d\text{ with }{a}_0=a$ and closed formula $a_n=a+nd.$

Bibliography

• Oscar Levin, Discrete Mathematics: An Open Introduction, 3rd ed., n.d., https://discrete.openmathbooks.org/pdfs/dmoi3-tablet.pdf.