@misc{KochSultanowCox2020, author = {Christian Koch and Eldar Sultanow and Sean Cox}, title = {Divisions by Two in Collatz Sequences: A Data Science Approach (2nd ed.)}, edition = {2nd ed.}, doi = {10.34646/thn/ohmdok-620}, type = {workingpaper}, pages = {25}, year = {2020}, }