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IMC 2023 Grade 3 — ROUND 1 Question 14

IMC · IMC 2023 Grade 3 — ROUND 1

Question 14

Find the difference between $A$ and $B$ in the sequence $1,1,2,3,4,4,8,7,A,11,32,B,64,29,\ldots$.

Grading convention: take the nonnegative difference between the two missing values, using the indicated alternating number patterns.