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A081193
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a(n)=6a(n-1)-8a(n-2), a(0)=1, a(1)=9.
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0
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1, 9, 46, 204, 856, 3504, 14176, 57024, 228736, 916224, 3667456, 14674944, 58710016, 234860544, 939483136, 3758014464, 15032221696, 60129214464, 240517513216, 962071363584, 3848288075776, 15393157545984, 61572640669696
(list; graph; refs; listen; history; internal format)
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