I was just... bored. The equation was... function step(n) { if (n%2 == 0) return n/2; return 3*n+1; } function collatz(n) { var nb = 1; while (n != 1) { n = step(n); nb++; } return nb; }.
function step(n) { if (n%2 == 0) return n/2; return 3*n+1; } function collatz(n) { var nb = 1; while (n != 1) { n = step(n); nb++; } return nb; }. Credit to https://www.dcode.fr/collatz-conjecture