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Search: id:A047111
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A047111 Sum{T(i,n-i): i=0,1,...,n}, array T as in A047110. +0
1
1, 2, 3, 6, 10, 20, 40, 71, 142, 260, 520, 1040, 1936, 3872, 7330, 14660, 29320, 55874, 111748, 215252, 430504, 861008, 1663662, 3327324, 6476960, 12953920, 25907840, 50511295, 101022590, 198016168, 396032336, 792064672, 1553798279 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A005195 A052843 A120707 this_sequence A106741 A068991 A008928

Adjacent sequences: A047108 A047109 A047110 this_sequence A047112 A047113 A047114

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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