Look at this series: 97, 92, 85, 78, 71, 64, 57, 50…

Look at this series: 97, 92, 85, 78, 71, 64, 57, 50, ... What number should come next?

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

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #66536