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Search: id:A047121
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A047121 Sum{T(i,n-i): i=0,1,...,n}, array T as in A047120. +0
1
1, 2, 3, 5, 9, 18, 36, 69, 134, 263, 526, 1052, 2085, 4143, 8250, 16500, 33000, 65851, 131484, 262668, 525336, 1050672, 2100045, 4198157, 8393603, 16787206, 33574412, 67136750, 134255332, 268484858, 536969716, 1073939432, 2147761687 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Adjacent sequences: A047118 A047119 A047120 this_sequence A047122 A047123 A047124

Sequence in context: A080091 A000602 A034790 this_sequence A096753 A022862 A097332

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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