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1, 14, 116, 944, 7856, 66824, 578096, 5062904, 44726336, 397498184, 3547250576, 31743856664, 284606318816, 2554926522344, 22955156619056, 206361317079224, 1855841298759296, 16694108359111304, 150196195253667536
(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 (16,-69,54).
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FORMULA
| G.f.: 1/(1-9*x)+1/(1-6*x)-1/(1-x). E.g.f.: e^(9*x)+e^(6*x)-e^x.
a(n)=15*a(n-1)-54*a(n-2)-40 with a(0)=1, a(1)=14 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 21 2010]
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CROSSREFS
| Cf. A155628, A155629, A155630, A155631, A155632, A155633, A155634, A155635, A155636, A155637, A155638, A155639, A155640, A155641, A155642, A155643, A155644, A155645, A155646
Sequence in context: A204240 A178258 A121783 * A128569 A138431 A175874
Adjacent sequences: A155644 A155645 A155646 * A155648 A155649 A155650
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KEYWORD
| nonn,easy
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AUTHOR
| Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 31 2009
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