It’s nice to end the year on a happy note.
My favorite Christmas card was this one: “Dr. Hardwicke – Thank you for saving my life!” And I have a new milestone, writing a
200th article for The Sun! I’ll just make a bit of a numbers puzzle. What is the one number that keeps appearing in these two adding progressions and three multiplying progressions?
Hint: If you multiply this number times 2, 3, 5 or …
