# What is the pattern in the sequence 100, 19, 83, 34, 70, 45?

##### 1 Answer

or

#### Explanation:

(See image below. I couldn't figure out an easy way to show this with standard text)

If you look at differences of alternate terms, you can find the formula for term n as follows:

Hence

Hence

See: http://socratic.org/questions/how-do-you-find-the-general-term-for-a-sequence