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A164582
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a(n)=5*a(n - 1) - a(n - 2), with a(1)=2, a(2)=3.
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2, 3, 13, 62, 297, 1423, 6818, 32667, 156517, 749918, 3593073, 17215447, 82484162, 395205363, 1893542653, 9072507902, 43468996857, 208272476383, 997893385058, 4781194448907, 22908078859477, 109759199848478, 525887920382913, 2519680402066087
(list; graph; refs; listen; history; internal format)
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