About Sequence Generator
Sequence Generator is a free browser-based tool for creating arithmetic, geometric, Fibonacci, random, and formula-based number sequences.
Pick a mode, set your parameters, and generate a sorted list of terms. Every calculation runs in your browser - nothing is sent to a server. You can view terms as a list, copy individual values, export to CSV, or view a lightweight SVG chart of the sequence.
The tool supports five generation modes: arithmetic (constant difference), geometric (constant ratio), Fibonacci (recurrence), random (bounded values), and formula (custom expression with variable n). Start and diff/ratio/range fields adapt to the selected mode.
Designed for math students, teachers, data analysts, and developers who need quick test data or want to explore numeric patterns without installing software.
- Five sequence modes: Arithmetic, Geometric, Fibonacci, Random, Formula
- Configurable term count from 1 to 200
- Inline SVG chart visualizing the sequence curve
- CSV export for use in spreadsheets and data tools
- Copy individual terms or the entire sequence
- All calculations run client-side for instant results