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Search: id:A074600
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| 2, 7, 29, 133, 641, 3157, 15689, 78253, 390881, 1953637, 9766649, 48830173, 244144721, 1220711317, 6103532009, 30517610893, 152587956161, 762939584197, 3814697527769, 19073486852413, 95367432689201, 476837160300277
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OFFSET
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0,1
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LINKS
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Index entries for sequences related to linear recurrences with constant coefficients
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FORMULA
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a(n) = 5a(n-1)-3*2^(n-1) = 7a(n-1)- 10a(n-2). [Corrected by Zak Seidov, Oct 24 2009]
G.f.: 1/(1-2*x)+1/(1-5*x). E.g.f.: e^(2*x)+e^(5*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 02 2009]
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MATHEMATICA
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Table[2^n + 5^n, {n, 0, 25}]
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CROSSREFS
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Cf. A000051, A034472, A052539, A034474, A062394, A034491, A062395, A062396, A007689, A063376, A063481, A074601 - A074624.
Sequence in context: A132262 A007852 A110576 this_sequence A064641 A104252 A018977
Adjacent sequences: A074597 A074598 A074599 this_sequence A074601 A074602 A074603
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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 25 2002
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