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Search: id:A074551
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| 3, 16, 106, 820, 6898, 60316, 536266, 4801540, 43118818, 387702316, 3487892026, 31385431060, 282446845138, 2541934531516, 22877065673386, 205892220185380, 1853024526865858, 16677199008675916, 150094704403896346
(list; graph; listen)
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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/(1-4*x)+1/(1-9*x). E.g.f.: e^(3*x)+e^(4*x)+e^(9*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 28 2008]
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MATHEMATICA
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Table[3^n + 4^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: A014304 A063548 A157452 this_sequence A135074 A074540 A039751
Adjacent sequences: A074548 A074549 A074550 this_sequence A074552 A074553 A074554
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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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