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In mathematics, a chiliagonal number is a number which can be arranged to form a chiliagon. The mathematical formula for the nth chiliagonal number is n(499n − 498). The first few chiliagonal numbers are: 1, 1000, 2997, 5992, 9985, 14976, 20965, 27952, 35937, 44920, 54901, 65880, 77857, 90832, 104805, 119776, 135745, 152712, 170677, 189640, 209601, 230560, 252517, 275472, 299425, 324376, 350325, 377272, 405217, 434160. Retrieved from "http://en.wikipedia.org/" 
