function getOddList (count, current = 1, acc = []) {
if (count == 0) return acc;
return getOddList(count - 1, current + 2, acc.concat(current))
}
function getOddList (count) {
function iter(n, current, acc) {
if (n == count) return acc;
return iter(n + 1, current + 2, acc.concat(current))
}
return iter(0, 1, []);
}