Look at this series: 53, 53, 39, 39, 25, 25,

Look at this series: 53, 53, 39, 39, 25, 25, ... 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 #3674