RosettaCodeData/Task/Hailstone-sequence/JavaScript/hailstone-sequence-2.js

21 lines
311 B
JavaScript

(function () {
// Hailstone Sequence
// n -> [n]
function hailstone(n) {
return n === 1 ? [1] : (
[n].concat(
hailstone(n % 2 ? n * 3 + 1 : n / 2)
)
)
}
var lstCollatz27 = hailstone(27);
return {
length: lstCollatz27.length,
sequence: lstCollatz27
};
})();