Hacker News new | ask | show | jobs
by mef51 2475 days ago
odds to get the 1/3, 1/5, 1/7, 1/9, etc. term and count by alternating digits on the numerator and denominator up to the next even number to get 1/2, 13/24, 135/246, 1357/2468, etc for the first term.

equivalently you just list odds on the numerator and evens in the denominator