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1, 12, 108, 1026, 10080, 100242, 1000728, 10002186, 100006560, 1000019682, 10000059048, 100000177146, 1000000531440, 10000001594322, 100000004782968, 1000000014348906, 10000000043046720, 100000000129140162
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| G.f.: 1/(1-10*x)+1/(1-3*x)-1/(1-x). E.g.f.: e^(10*x)+e^(3*x)-e^x.
a(n)=13*a(n-1)-30*a(n-2)-18 with a(0)=1, a(1)=12 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 21 2010]
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CROSSREFS
| A155596, A155597, A155598, A155599, A155600, A155601, A155602, A155603, A155604, A155605, A155606, A155607
Sequence in context: A037707 A140317 A069653 * A138432 A011999 A128877
Adjacent sequences: A155605 A155606 A155607 * A155609 A155610 A155611
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KEYWORD
| nonn
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AUTHOR
| Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 25 2009
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