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A048489
7 * 2^n - 6.
+0
6
1, 8, 22, 50, 106, 218, 442, 890, 1786, 3578, 7162, 14330, 28666, 57338, 114682, 229370, 458746, 917498, 1835002, 3670010, 7340026, 14680058, 29360122, 58720250, 117440506, 234881018, 469762042, 939524090, 1879048186
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.
AT&T Labs Research
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