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A000567 Octagonal numbers: n(3n-2). Also called star numbers.
(Formerly M4493 N1901)
+0
90
0, 1, 8, 21, 40, 65, 96, 133, 176, 225, 280, 341, 408, 481, 560, 645, 736, 833, 936, 1045, 1160, 1281, 1408, 1541, 1680, 1825, 1976, 2133, 2296, 2465, 2640, 2821, 3008, 3201, 3400, 3605, 3816, 4033, 4256, 4485, 4720, 4961, 5208, 5461 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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