It's not mine, so I dont take the credit. I just saw it in linkedin and wanted to share with the comunity.

2 = 6
3 = 12
4 = 20
5 = 30
6 = 42
9 = ?

2 → 6
3 → 12
4 → 20
5 → 30
6 → 42
9 → ?

Can you find a correspondence between these numbers?

It's not mine, so I don't take any credit. I've just seen it in Linkedin and wanted to share with the community.