In a sequence, $$a_{1}$$=7,for any integer n greater than 1, $$a_{n}=a_{n-1}+2$$. If the last term in the sequence is 217,what's the number of integers in the sequence?
In a sequence, $$a_{1}$$=7,for any integer n greater than 1, $$a_{n}=a_{n-1}+2$$. If the last term in the sequence is 217,what's the number of integers in the sequence?