JavaScript:实现FigurateNumber垛积数算法
/**
Example:
Triangular => (0, 1, 3, 6, 10, 15, 21, 28, 36, 45)
Tetrahedral => (1, 4, 10, 20, 35, 56, 84, 120, 165,)
Pentatope => (1, 5, 15, 35, 70, 126, 210, 330, 495)
*/
/**
*
* @param {*} number
* @returns
*/
const isTriangular = (number) => {
for <