Number Pattern Generator
Choose a pattern, enter its starting values and term count, then review the deterministic sequence and rule explanation.
A QUICK WALKTHROUGH
How to use this tool
- Choose arithmetic, geometric, or Fibonacci mode.
- Enter the required starting values and 1 to 100 terms.
- Generate, review, and copy the sequence with its rule.
Three explicit rules
Arithmetic patterns add a constant difference; geometric patterns multiply by a constant ratio; Fibonacci patterns add the two preceding terms.
Bounded and deterministic
The generator returns 1 through 100 terms and rejects non-finite or unsafe numeric results. The same inputs always produce the same output.
Local processing
Generation, explanation, and copying happen in your browser. Inputs are not uploaded or stored.
GOOD TO KNOW
Common questions
Which patterns are supported?
Arithmetic, geometric, and Fibonacci sequences.
How many terms can I generate?
From 1 through 100 terms per request.
Is the result random?
No. Each pattern uses a fixed rule, so identical inputs produce identical results.