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A074566
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4^n + 6^n + 8^n.
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1
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3, 18, 116, 792, 5648, 41568, 312896, 2393472, 18522368, 144557568, 1135256576, 8956925952, 70913036288, 562883616768, 4476679110656, 35655630815232, 284300381585408, 2268743652999168, 18116027185627136, 144724822693773312
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..1000
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FORMULA
| G.f.: 1/(1-4*x)+1/(1-6*x)+1/(1-8*x). E.g.f.: exp(4*x)+exp(6*x)+exp(8*x). [From Mohammad K. Azarian, Dec 30 2008]
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MATHEMATICA
| Table[4^n + 6^n + 8^n, {n, 0, 20}]
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PROG
| (MAGMA) [4^n + 6^n + 8^n: n in [0..20]]; // Vincenzo Librandi, Aug 25 2011
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CROSSREFS
| Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A163471 A054122 A201695 * A113328 A196865 A153394
Adjacent sequences: A074563 A074564 A074565 * A074567 A074568 A074569
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KEYWORD
| easy,nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 23 2002
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