SubArea: Introduction to sequencesLevel: AProject ID: 1103084905Source Problem: 2010000404Accepted: 1Clonable: 1Easy: 1Which sequence is defined by the given graph?(an)n=15=2, 1, 3, 1, 2(an)n=110=1, 2, 2, 1, 3, 3, 4, 1, 5, 2(an)n=15=1, 2, 3, 4, 5(an)n=15=1, 1, 2, 2, 3