What rule do these numbers follow?

I have a simple rule in mind. Discover it by proposing your own sequences.

This sequence fits

Your task is to work out why.

246
fits
01

Test a sequence

Try to learn something your current theory cannot already explain.

Enter three numbers to test
A sharper test: What sequence might prove your favorite theory wrong?
02

Your experiments

1 example so far

  1. 2 · 4 · 6 fits given

Your tests will appear here.

03

State your rule

When you have enough evidence, write the most general rule that explains it.

Experiment before you decide.

Enter any three numbers. You will only be told whether they fit my hidden rule. Test as many sequences as you like, then submit your best description of the rule.

Propose→Observe→Revise