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A026894 T(2n,n+1), T given by A026780. 0
1, 5, 23, 106, 496, 2361, 11425, 56128, 279530, 1409242, 7182570, 36965292, 191896092, 1003889999, 5288020783, 28026601758, 149362212188, 799947847992, 4303496405324, 23245282077346, 126020035603358, 685477891161324 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A064914 A107839 A128732 * A126473 A109877 A179598

Adjacent sequences:  A026891 A026892 A026893 * A026895 A026896 A026897

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 17 10:03 EST 2012. Contains 206009 sequences.