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Search: id:A074517
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| 3, 13, 75, 469, 3027, 19933, 133275, 901669, 6155427, 42306733, 292240875, 2026154869, 14085427827, 98109713533, 684326588475, 4778079088069, 33385518460227, 233393453440333, 1632228295176075, 11417968671701269
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OFFSET
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0,1
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FORMULA
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G.f.: 1/(1-x)+1/(1-5*x)+1/(1-7*x). E.g.f.: e^x+e^(5*x)*e^(7*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 26 2008]
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MATHEMATICA
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Table[1^n + 5^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: A009382 A110193 A038762 this_sequence A007178 A034172 A000670
Adjacent sequences: A074514 A074515 A074516 this_sequence A074518 A074519 A074520
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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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