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A003154 Centered 12-gonal numbers. Also star numbers: 6n(n-1) + 1.
(Formerly M4893)
+0
18
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 (list; graph; listen)
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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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