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Search: id:A074567
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| 3, 19, 133, 1009, 8113, 67849, 582193, 5079289, 44791873, 397760329, 3548299153, 31748050969, 284623096033, 2554993631209, 22955425054513, 206362390821049, 1855845593726593, 16694125538980489, 150196263973144273
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OFFSET
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0,1
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FORMULA
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G.f.: 1/(1-4*x)+1/(1-6*x)+1/(1-9*x). E.g.f.: e^(4*x)+e^(6*x)+e^(9*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 30 2008]
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MATHEMATICA
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Table[4^n + 6^n + 9^n, {n, 0, 20}]
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CROSSREFS
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Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A074568 A074713 A063395 this_sequence A091346 A035086 A105797
Adjacent sequences: A074564 A074565 A074566 this_sequence A074568 A074569 A074570
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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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