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A026558 T(2n,n), T given by A026552. 0
1, 2, 7, 24, 93, 362, 1452, 5880, 24089, 99386, 412637, 1721500, 7211536, 30312960, 127790379, 540082784, 2287577537, 9707988994, 41269156159, 175705272784 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A150400 A150401 A003041 * A150402 A151295 A150403

Adjacent sequences:  A026555 A026556 A026557 * A026559 A026560 A026561

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 13 17:43 EST 2012. Contains 205523 sequences.