Look at this series: 439,404, 369, 334, 299, 264

Look at this series: 439,404, 369, 334, 299, 264 ... 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 #13211