MathDB
SMT 2010 General #12

Source:

February 11, 2012
arithmetic series

Problem Statement

Consider the sequence 1,2,1,2,2,1,2,2,2,1,2,2,2,2,1,...1, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1,... Find nn such that the fi rst nn terms sum up to 20102010.