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 A227325 A000272(n+1) * A000984(n). 2
 1, 2, 18, 320, 8750, 326592, 15529668, 899678208, 61556811030, 4862000000000, 435644983598396, 43678490079264768, 4846281282497517772, 589650705050503577600, 78074729079345703125000, 11177395284330167371038720, 1720546364146510165684599270 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Central terms of triangle A088956. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 0..250 FORMULA a(n) = A088956(2*n, n) = (n+1)^(n-1) * C(2*n, n). PROG (Haskell) a227325 n = a000272 (n + 1) * a000984 n CROSSREFS Sequence in context: A179497 A296837 A326270 * A087215 A229490 A192985 Adjacent sequences:  A227322 A227323 A227324 * A227326 A227327 A227328 KEYWORD nonn AUTHOR Reinhard Zumkeller, Jul 07 2013 EXTENSIONS Typo in formula fixed by Zak Seidov, Jul 08 2013 STATUS approved

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Last modified April 4 21:25 EDT 2020. Contains 333238 sequences. (Running on oeis4.)