Source: apc-static/lib/math/natural_numbers.js

/**
 * Get natural numbers.
 * @function lib.math.naturalNumbers
 * @param {number} count - Count of numbers.
 * @example
 *
 *   naturalNumbers(4); // -> [1,2,3];
 *
 * @returns {Array} - Natural numbers array.
 */
module.exports = function (count) {
    var numbers = [];
    for (var i = 0; i < count; i++) {
        numbers.push(i + 1);
    }
    return numbers;
};