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Search: id:A047047
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A047047 T(n,n+2), array T as in A047040; T(n+2,n), array T given by A047050. +0
1
1, 3, 9, 28, 90, 311, 1099, 3928, 14151, 52025, 193192, 721507, 2704857, 10219356, 38814183, 147936398, 565229232, 2167575626, 8337587694, 32144302453, 124143606307, 480449680735, 1862906012700, 7234641087486, 28131953989641 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A071724 A000245 A143739 this_sequence A071744 A071748 A071752

Adjacent sequences: A047044 A047045 A047046 this_sequence A047048 A047049 A047050

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified March 20 07:47 EDT 2010. Contains 173643 sequences.

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