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A026128 a(n) = T(2n,n), where T is the array in A026120. 2
1, 1, 7, 35, 188, 1029, 5730, 32292, 183660, 1052062, 6061247, 35085362, 203888951, 1188784325, 6951007260, 40743883935, 239338600713, 1408601096922, 8304165939530, 49029683529190, 289875333579403, 1715915953729017, 10168679421464922, 60321828267447075, 358169629787960445 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Bisection of A026133. Cf. A026120.
Sequence in context: A289991 A295248 A295647 * A026157 A025184 A360083
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Sep 17 2019
STATUS
approved

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Last modified July 15 19:27 EDT 2024. Contains 374334 sequences. (Running on oeis4.)