Quote:
Originally Posted by biwema
Let's define the following sequence:
x[0] = 1
x[n] = ( 1 + x[0]^3 + x[1]^3 + .... + x[n1]^3) / n
Are all of these sequence integers?

This is a mindboggling tool and you have to use inequality to draw a line or BEDMAS or asymptotic function. Draw and underline a graph and use subscripts.
Beware, subscript out of range in line 0, write every digit on a square.