Article date: Jun 1972
Article title: A miscellany of transcendental problems: simple to state but not at all easy to solve
Mathematical Games column? Y
Book: 10. Wheels, Life, and Other Mathematical Amusements
Chapter: 18. Slither, 3X+1, and Other Curious Questions
This data confirmed? yes
Notes
Peter Rowlett (30 October 2023):
I have seen this chapter and column side-by-side and they match.