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A094618
3^(n+1) - 2^(n+1) + n + 1.
+0
2
2, 7, 22, 69, 216, 671, 2066, 6313, 19180, 58035, 175110, 527357, 1586144, 4766599, 14316154, 42981201, 129009108, 387158363, 1161737198, 3485735845, 10458256072, 31376865327, 94134790242, 282412759289, 847255055036
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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