Math

Arithmetic Sequence Calculator

Use OmniCalc's arithmetic sequence calculator to generate terms from a start value and a constant difference.

Arithmetic sequence calculator

Generate an arithmetic sequence from a start value and common difference.

Enter the first term, common difference, and number of terms to generate an arithmetic sequence instantly, along with its final term and sum.

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Why this result matters

What this calculator helps you answer

A flexible arithmetic-sequence generator that extends OmniCalc's growing math sequence cluster. Use the tool above to enter a few clear inputs and get a practical answer you can use right away.

This arithmetic sequence calculator helps students and everyday users build a sequence from a first term, a common difference, and a chosen number of terms. It is useful for algebra practice, pattern study, and quick homework checks.

Formula and method

How the calculation works

The calculator generates each new term by adding the common difference to the previous one and repeats until the chosen number of terms is reached.

Example

Example arithmetic sequence

If you enter a first term of 2, a common difference of 3, and 8 terms, the calculator shows 2, 5, 8, 11, 14, 17, 20, and 23.

FAQ

Common questions about this calculator.

Short answers to the questions people often ask before or after using the tool.

Question

What is an arithmetic sequence?

An arithmetic sequence is a number pattern where the same amount is added or subtracted each step.

Question

What is the common difference?

The common difference is the fixed amount between one term and the next in the sequence.

Question

Can the difference be negative?

Yes. A negative common difference creates a decreasing arithmetic sequence.

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