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Search: id:A074544
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| 3, 17, 117, 863, 6513, 49607, 379857, 2920823, 22542273, 174571847, 1356218097, 10567263383, 82560768033, 646644832487, 5076269600337, 39931933631543, 314707907345793, 2484430327803527, 19642812107654577, 155514083261753303
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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/(1-7*x)+1/(1-8*x). E.g.f.: e^(2*x)+e^(7*x)+e^(8*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 28 2008]
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MATHEMATICA
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Table[2^n + 7^n + 8^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A131204 A112111 A074554 this_sequence A165976 A121572 A074543
Adjacent sequences: A074541 A074542 A074543 this_sequence A074545 A074546 A074547
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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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