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Search: id:A132804
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| 0, 6, 42, 342, 2730, 21846, 174762, 1398102, 11184810, 89478486, 715827882, 5726623062, 45812984490, 366503875926, 2932031007402, 23456248059222, 187649984473770, 1501199875790166, 12009599006321322, 96076792050570582, 768614336404564650
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OFFSET
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0,2
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FORMULA
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G.f.: 6x/(1-7x-8x^2). a(n+1)=7*a(n)+8*a(n-1) for n>=1, a(0)=0, a(1)=6 . - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 19 2007
a(n)=-(2/3)*(-1)^n+(2/3)*8^n , with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jul 08 2008
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CROSSREFS
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Sequence in context: A029588 A001725 A123510 this_sequence A074017 A135887 A052589
Adjacent sequences: A132801 A132802 A132803 this_sequence A132805 A132806 A132807
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KEYWORD
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nonn
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Nov 18 2007
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