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A026160
a(n) = T(2n,n-1), where T is the array in A026148.
0
1, 3, 16, 84, 459, 2552, 14377, 81768, 468468, 2699596, 15630384, 90853864, 529850815, 3098789865, 18167417169, 106738859744, 628304239266, 3704621197662, 21875951368671, 129352256646948, 765788776646355, 4538617746853905, 26926250088179529, 159892875661323312
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..24.
CROSSREFS
Cf. A026148.
Sequence in context: A069429 A275402 A026131 * A025187 A373277 A151328
Adjacent sequences: A026157 A026158 A026159 * A026161 A026162 A026163
KEYWORD
nonn
AUTHOR
Clark Kimberling
EXTENSIONS
More terms from Sean A. Irvine, Sep 18 2019
STATUS
approved

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Last modified September 27 02:53 EDT 2024. Contains 376254 sequences.
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