Find a pattern for the following sequence. 1,1,3,1,3,5,7,1,3,5,7.....
Let n= the nth number.
Find the nth number of this series
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It only takes a minute to sign up.Sign up to join this community
Hint: It appears the first $7$ should not be there. Without it, you have one odd number, then two, then three, then four, etc. The block you are in can be recovered from the triangular numbers. If you really mean it with both $7$'s I don't see the pattern.