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Search: id:A074554
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| 3, 17, 115, 881, 7267, 62417, 547795, 4863281, 43443907, 389393297, 3496609075, 31430064881, 282674208547, 2543088125777, 22882900753555, 205921664021681, 1853172819789187, 16677944768259857, 150098450381685235
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OFFSET
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0,1
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FORMULA
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G.f.: 1/(1-3*x)+1/(1-5*x)+1/(1-9*x). E.g.f.: e^(3*x)+e^(5*x)+e^(9*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 30 2008]
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MATHEMATICA
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Table[3^n + 5^n + 9^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A119259 A131204 A112111 this_sequence A074544 A165976 A121572
Adjacent sequences: A074551 A074552 A074553 this_sequence A074555 A074556 A074557
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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 23 2002
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