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Search: id:A005909
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A005909 a(n) = [ tau*a(n-1) ] + [ tau*a(n-2) ]. +0
1
0, 2, 3, 7, 15, 35, 80, 185, 428, 991, 2295, 5316, 12314, 28525, 66078, 153070, 354588, 821407, 1902799, 4407857, 10210855, 23653572, 54793793, 126930502, 294036085, 681138245, 1577865210, 3655144370 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A076698 A078007 A001932 this_sequence A003006 A052321 A114584

Adjacent sequences: A005906 A005907 A005908 this_sequence A005910 A005911 A005912

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.

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