All Tools VerseGenerate the Kolakoski Sequence
Generate the Kolakoski sequence, the self-describing sequence of 1s and 2s.
- Runs in your browser
- Nothing uploaded
- Free, no sign-up
Calculated locally in your browser. Nothing is uploaded.
How to Use Generate the Kolakoski Sequence
- Set how many terms. The length of the sequence to produce.
- Pick a separator. Comma, new line, or space.
- Generate. The first terms are listed in order.
- Copy the result. Click Copy result. It all runs in your browser.
Frequently Asked Questions
What is the Kolakoski sequence?
A self-describing sequence of 1s and 2s where the run lengths of the sequence reproduce the sequence itself.
What does self-describing mean?
If you read off how many times each value repeats, you get the same sequence back.
How many terms can I list?
Up to one hundred thousand at once.
Is anything uploaded?
No. The sequence is generated in your browser, so nothing leaves the tab.
Is it free?
Yes. Every tool here is free to use with no sign up.
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