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Search: id:A074549
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| 3, 14, 74, 434, 2738, 18074, 122474, 842114, 5836898, 40635434, 283582874, 1981698194, 13858595858, 96957713594, 678496291274, 4748649600674, 33237268583618, 232647822996554, 1628482704807674, 11399171225541554
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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/(1-7*x). E.g.f.: e^(3*x)+e^(4*x)+e^(7*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 + 7^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A026295 A118650 A080238 this_sequence A126122 A026004 A063016
Adjacent sequences: A074546 A074547 A074548 this_sequence A074550 A074551 A074552
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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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