- #1

- 12

- 0

## Homework Statement

Its a series of triangles, the data table being

n-#

1-1

2-3

3-6

4-10

5-15

I need a general equation in terms of n.

## Homework Equations

## The Attempt at a Solution

I cant really find anything. The solution has to be non-recursive, and i can find a bunch of patterns, but all of them rely on the term before and after.

AAAAAAAAAAAAAAAAAH.