4, 2, -4, -8, 32, 26, -156,?

4, 2, -4, -8, 32, 26, -156, ?

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 #2275

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