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Search: id:A074602
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| 2, 9, 53, 351, 2417, 16839, 117713, 823671, 5765057, 40354119, 282476273, 1977328791, 13841291297, 96889018599, 678223089233, 4747561542711, 33232930635137, 232630514118279, 1628413598172593, 11398895185897431
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OFFSET
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0,1
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FORMULA
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a(n) = 7a(n-1)-2^n = 9a(n-1)- 14a(n-2).
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MATHEMATICA
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Table[2^n + 7^n, {n, 0, 25}]
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CROSSREFS
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Cf. A000051, A034472, A052539, A034474, A062394, A034491, A062395, A062396, A007689, A063376, A063481, A074600 - A074624.
Sequence in context: A121678 A124347 A080146 this_sequence A073986 A089436 A000168
Adjacent sequences: A074599 A074600 A074601 this_sequence A074603 A074604 A074605
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KEYWORD
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easy,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 25 2002
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