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Search: id:A074565
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| 3, 17, 101, 623, 3953, 25607, 168401, 1119863, 7509953, 50693447, 343990001, 2344318103, 16034846753, 110016813287, 756855672401, 5218820236343, 36058335444353, 249574353301127, 1730042274055601, 12008529803290583
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OFFSET
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0,1
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FORMULA
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G.f.: 1/(1-4*x)+1/(1-6*x)+1/(1-7*x). E.g.f.: e^(4*x)+e^(6*x)+e^(7*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 30 2008]
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MATHEMATICA
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Table[4^n + 6^n + 7^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A155610 A001541 A161940 this_sequence A054365 A116886 A163064
Adjacent sequences: A074562 A074563 A074564 this_sequence A074566 A074567 A074568
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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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