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Search: id:A131727
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| 1, 2, 7, 16, 40, 98, 237, 574, 1386, 3346, 8078, 19502, 47083, 113668, 274421, 662510, 1599442, 3861396, 9322235, 22505868, 54333972, 131173812, 316681596, 764537004, 1845755605, 4456048214, 10757852035, 25971752284, 62701356604
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OFFSET
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4,2
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MAPLE
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A000129 := proc(n) option remember ; if n <= 2 then n ; else 2*A000129(n-1)+A000129(n-2) ; fi ; end: A131727 := proc(n) floor(A000129(n)/10) ; end: seq(A131727(n), n=4..40) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 24 2007
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CROSSREFS
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Sequence in context: A129441 A093971 A065497 this_sequence A073371 A113224 A026571
Adjacent sequences: A131724 A131725 A131726 this_sequence A131728 A131729 A131730
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KEYWORD
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nonn,base
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Sep 16 2007, Sep 27 2007
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EXTENSIONS
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More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 24 2007
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