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Search: id:A047143
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A047143 T(n,n-1), array T as in A047140. +0
1
1, 3, 8, 23, 80, 290, 1010, 3521, 12934, 48498, 180020, 666648, 2512214, 9569120, 36408682, 138417669, 529685612, 2038304708, 7852427512, 30259337658, 116937868076, 453269554872, 1759337897040, 6833437297968, 26582114114294 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Adjacent sequences: A047140 A047141 A047142 this_sequence A047144 A047145 A047146

Sequence in context: A099266 A024716 A125782 this_sequence A065083 A037450 A081990

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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