%0 Journal Article %A Yang, Quan-Hui %A Zhao, Qing-Qing %T Powerful numbers in (1ℓ + qℓ)(2ℓ + qℓ)⋯(nℓ + qℓ) %J Comptes Rendus. Mathématique %D 2018 %P 13-16 %V 356 %N 1 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2017.11.015/ %R 10.1016/j.crma.2017.11.015 %G en %F CRMATH_2018__356_1_13_0