## What number is next in the sequence? 2, 7, 8, 3, 12, 9, …

**The next number in the sequence 2, 7, 8, 3, 12, 9, … is 4.**

## A Challenging Sequence

There are many online sources giving different interpretations of this sequence. It almost seems random, but if we take the terms in three number sets, we see a pattern.

This is not the only way to solve this sequence and there are other interpretations that suggest the numbers may be involved in coordinate mapping. For simplicity, we will take the three number group sequence