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1, 8, 52, 350, 2416, 16838, 117712, 823670, 5765056, 40354118, 282476272, 1977328790, 13841291296, 96889018598, 678223089232, 4747561542710, 33232930635136, 232630514118278, 1628413598172592, 11398895185897430
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (10,-23,14).
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FORMULA
| G.f.: 1/(1-7*x)+1/(1-2*x)-1/(1-x). E.g.f.: e^(7*x)+e^(2*x)-e^x.
a(n)=9*a(n-1)-14*a(n-2)-6 with a(0)=1, a(1)=8 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 21 2010]
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CROSSREFS
| Cf. A074501, A074600, A005057, A005056, A099393, A155588, A155590.
Sequence in context: A006631 A205218 A126503 * A130153 A199700 A116171
Adjacent sequences: A155587 A155588 A155589 * A155591 A155592 A155593
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KEYWORD
| nonn,easy
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AUTHOR
| Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 24 2009
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