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Search: id:A027121
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A027121 T(n,2n-3), T given by A027113. +0
1
1, 4, 13, 40, 120, 352, 1022, 2948, 8473, 24304, 69649, 199544, 571795, 1639244, 4702499, 13500396, 38790727, 111555296, 321100627, 925086012, 2667533646, 7698716068, 22238169212, 64289860528, 186010834243, 538611262492 (list; graph; listen)
OFFSET

2,2
CROSSREFS

Sequence in context: A119915 A137744 A027130 this_sequence A025567 A076040 A003462

Adjacent sequences: A027118 A027119 A027120 this_sequence A027122 A027123 A027124

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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