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Search: id:A074514
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| 3, 13, 81, 577, 4353, 33793, 266241, 2113537, 16842753, 134479873, 1074790401, 8594128897, 68736253953, 549822922753, 4398314946561, 35185445830657, 281479271677953, 2251816993554433, 18014467228958721, 144115462953762817
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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/(1-4*x)+1/(1-8*x). E.g.f.: e^x+e^(4*x)+e^(8*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 26 2008]
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MATHEMATICA
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Table[1^n + 4^n + 8^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Equals A063481(n) + 1.
Sequence in context: A010844 A090364 A112935 this_sequence A020014 A135921 A005923
Adjacent sequences: A074511 A074512 A074513 this_sequence A074515 A074516 A074517
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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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