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Search: id:A074558
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| 3, 18, 122, 882, 6578, 49818, 380522, 2922882, 22548578, 174591018, 1356276122, 10567438482, 82561295378, 646646418618, 5076274366922, 39931947947682, 314707950326978, 2484430456812618, 19642812494812922, 155514084423490482
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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/(1-7*x)+1/(1-8*x). E.g.f.: e^(3*x)+e^(7*x)+e^(8*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 30 2008]
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MATHEMATICA
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Table[3^n + 7^n + 8^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A118348 A011792 A127188 this_sequence A074564 A108241 A004987
Adjacent sequences: A074555 A074556 A074557 this_sequence A074559 A074560 A074561
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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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