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Search: id:A027118
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A027118 T(n,2n), T given by A027113. +0
1
1, 2, 3, 7, 16, 39, 98, 252, 659, 1747, 4682, 12662, 34505, 94644, 261069, 723707, 2014952, 5631875, 15796210, 44444302, 125405217, 354765866, 1006003375, 2858939669, 8141135778, 23225997936, 66376634429, 190000938785 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A049956 A153056 A081207 this_sequence A114582 A091487 A162092

Adjacent sequences: A027115 A027116 A027117 this_sequence A027119 A027120 A027121

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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