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1, 14, 136, 1394, 14896, 162074, 1775656, 19503554, 214424416, 2358209834, 25938473176, 285315864914, 3138445153936, 34522779252794, 379750102018696, 4177249243157474, 45949734158539456, 505447045679162954
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history;
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..17.
Index entries for linear recurrences with constant coefficients, signature (16,-59,44).
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FORMULA
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G.f.: 1/(1-11*x)+1/(1-4*x)-1/(1-x). E.g.f.: e^(11*x)+e^(4*x)-e^x.
a(n)=15*a(n-1)-44*a(n-2)-30 with a(0)=1, a(1)=14 - Vincenzo Librandi, Jul 21 2010
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PROG
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(PARI) a(n)=11^n+4^n-1 \\ Charles R Greathouse IV, Jun 11 2015
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CROSSREFS
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Cf. A155588, A155589, A155590, A155592, A155593, A155594, A155595, A155596, A155597, A155598, A155599, A155600, A155601, A155622, A155623, A155624.
Sequence in context: A004004 A002753 A306301 * A016296 A021044 A121034
Adjacent sequences: A155622 A155623 A155624 * A155626 A155627 A155628
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KEYWORD
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nonn,easy
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AUTHOR
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Mohammad K. Azarian, Jan 29 2009
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STATUS
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approved
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