Lemma
MediumSequences & series
AQuA-RAT train #87545 · Algebra · Sequences & series

The 20th term of the series a, b , b, c, c…

The 20th term of the series a, b , b, c, c, c, d, d, d, d, e, e, e, e, e, .... is

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #87545

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