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Search: id:A026131
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A026131 a(n) = T(2n,n-1), where T is the array in A026120. +0
1
1, 3, 16, 84, 458, 2541, 14286, 81103, 463913, 2669576, 15437366, 89633392, 522223740, 3051529665, 17876415654, 104955553899, 617415739622, 3638327064022, 21473223755896, 126910074421985 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A037584 A030983 A069429 this_sequence A026160 A025187 A076279

Adjacent sequences: A026128 A026129 A026130 this_sequence A026132 A026133 A026134

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

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