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A026128 a(n) = T(2n,n), where T is the array in A026120. 0
1, 1, 7, 35, 188, 1029, 5730, 32292, 183660, 1052062, 6061247, 35085362, 203888951, 1188784325, 6951007260, 40743883935, 239338600713, 1408601096922, 8304165939530, 49029683529190, 289875333579403 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Bisection of A026133.

Sequence in context: A037506 A037689 A051926 * A026157 A025184 A177261

Adjacent sequences:  A026125 A026126 A026127 * A026129 A026130 A026131

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 16 09:56 EST 2012. Contains 205904 sequences.