Number Sequence Calculator
Term n = Start + (n−1) × Difference1,3,5,7,9,11,13,15,17,19
Free online tool
Number Sequence Calculator
Enter a starting number, common difference and how many terms to generate.
Instant calculation
Number Sequence Calculator
Enter a starting number, common difference and how many terms to generate.
Your result
Calculation
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
How to use this calculator
- 01
Enter starting number
Type the first term of the sequence.
- 02
Enter difference
Type the common difference between terms.
- 03
Enter count
Type how many terms to generate.
The formula
How this calculation works
Arithmetic progression where each term differs from the previous by a constant amount.
Check the method
Worked examples
Each example follows the same formula used by the calculator.
First 10 terms starting at 1 with difference 2?
1,3,5,7,9,11,13,15,17,191, 3, 5, 7, 9, 11, 13, 15, 17, 19Common questions
Questions about this calculation
What is the Number Sequence Calculator?
The Number Sequence Calculator helps you generate an arithmetic sequence from a starting value and common difference. Enter your values and select Calculate to get an instant result.
How is the result calculated?
Arithmetic progression where each term differs from the previous by a constant amount.
Can you show an example?
Example: First 10 terms starting at 1 with difference 2? — 1, 3, 5, 7, 9, 11, 13, 15, 17, 19.
Is my data saved when I use the Number Sequence Calculator?
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Is the Number Sequence Calculator free to use?
Yes. The Number Sequence Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
Continue calculating