# Question #8d696

##### 1 Answer

#### Answer:

The general rule for any member (

#### Explanation:

A trick always worth trying is to look for progressive increments.

It took a bit of experimentation but I found the following progression:

Implying:

To test this I took the sequence back further than the first given term to see if it worked. It did!

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Whenever you have a sequence of numbers like:

Look at:

So we have [ count

So for any

Thus for any

or if you prefer

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The general rule for any member (