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Search: id:A074533
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| 3, 12, 56, 288, 1568, 8832, 50816, 296448, 1745408, 10340352, 61515776, 366993408, 2193563648, 13127811072, 78632615936, 471258759168, 2825404940288, 16943839444992, 101628676407296, 609634618441728
(list; graph; listen)
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OFFSET
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0,1
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FORMULA
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G.f.: 1/(1-2*x)+1/(1-4*x)+1/(1-6*x). E.g.f.: e^(2*x)+e^(4*x)+e^(6*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 27 2008]
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MATHEMATICA
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Table[2^n + 4^n + 6^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A107318 A050147 A120921 this_sequence A000257 A027390 A009499
Adjacent sequences: A074530 A074531 A074532 this_sequence A074534 A074535 A074536
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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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