Question 3
Given a sequence
3, 3, 1, 9, 4, 3, 3, 1, 9, 4, 3, 3, 1, 9, 4, …
a) What is the 36th number?
b) What is the sum of the first 50 terms?
Self-study input instruction (editorial): use the repeating five-term block shown. Enter both answers separated by a semicolon, in the order a;b.
**Editorial input note:** Use no spaces before or after semicolons.
3, 3, 1, 9, 4, 3, 3, 1, 9, 4, 3, 3, 1, 9, 4, …
a) What is the 36th number?
b) What is the sum of the first 50 terms?
Self-study input instruction (editorial): use the repeating five-term block shown. Enter both answers separated by a semicolon, in the order a;b.
**Editorial input note:** Use no spaces before or after semicolons.