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A026130 T(4n,n), where T is the array in A026120. 0
1, 3, 29, 286, 2954, 31331, 338237, 3697641, 40803750, 453553098, 5070709436 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A162928 A124263 A180828 * A026159 A025186 A140780

Adjacent sequences:  A026127 A026128 A026129 * A026131 A026132 A026133

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 17 06:22 EST 2012. Contains 205992 sequences.