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Search: id:A074532
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| 3, 11, 45, 197, 897, 4181, 19785, 94637, 456417, 2215781, 10815225, 53024477, 260921937, 1287820181, 6371967465, 31591352717, 156882923457, 780119453381, 3883417004505, 19348364759357, 96466944316977, 481235206811381
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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/(1-5*x). E.g.f.: e^(2*x)+e^(4*x)+e^(5*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 + 5^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A063024 A151129 A151130 this_sequence A049186 A049160 A146086
Adjacent sequences: A074529 A074530 A074531 this_sequence A074533 A074534 A074535
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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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