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Search: id:A074522
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| 3, 16, 118, 946, 7858, 66826, 578098, 5062906, 44726338, 397498186, 3547250578, 31743856666, 284606318818, 2554926522346, 22955156619058, 206361317079226, 1855841298759298, 16694108359111306, 150196195253667538
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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/(1-6*x)+1/(1-9*x). E.g.f.: e^x+e^(6*x)+e^(9*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 26 2008]
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MATHEMATICA
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Table[1^n + 6^n + 9^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Equals A074621 + 1.
Sequence in context: A011818 A036248 A111555 this_sequence A125807 A125222 A136168
Adjacent sequences: A074519 A074520 A074521 this_sequence A074523 A074524 A074525
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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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