1. Star numberA star number is a centered figurate number that represents a centered hexagram (six-pointed star), such as the one that Chinese checkers is played on. The nth star number is given by the formula Sn = 6n(n − 1) + 1. The first 43 star numbers are 1, 13, 37, 73, 121, 181, 253, 337, 433, 541, 661, 793, 937, 1093, 1261, 1441, 1633, 1837, 2053, 2281, 2521, 2773, 3037, 3313, 3601, 3901, 4213, 4537, 4873, 5221, 5581, 5953, 6337, 6733, 7141, 7561, 7993, 8437, 8893, 9361, 9841, 10333, 10837.
Read “Star number” on English Wikipedia
Read “六芒星数” on Japanese Wikipedia
Read “Star number” on DBpedia
Read “Star number” on English Wikipedia
Read “六芒星数” on Japanese Wikipedia
Read “Star number” on DBpedia
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