Can you cite a source to a claim that multiplication tables are racist? All I managed to find was one book called "Multiplication is for White People." but it'

Can you cite a source to a claim that multiplication tables are racist? All I managed to find was one book called "Multiplication is for White People." but it's not actually about multiplication tables or even math specifically. The title is a quote from a child that the author taught and is a broader book about the U.S. education system and its growing achievement gap.