Lemma
MediumDigits
AQuA-RAT train #15920 · Number Theory · Digits

The first three terms of an infinite sequence are 2, 7, and…

The first three terms of an infinite sequence are 2, 7, and 22. After the first term, each consecutive term can be obtained by multiplying the previous term by 3 and then adding 1. What is the sum of the tens digit and the units digit of the 22nd term in the sequence?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #15920

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